Revista Proceso No. 1795

8/7/2019 Revista Proceso No. 1795

http://slidepdf.com/reader/full/revista-proceso-no-1795 1/82







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¶ ² ² i ± · i ± ¸ » ¶ ¯ i ¶ ± i Ã ³ ¯ · ± µ ® ³ i ¹ ± µ ± ² · ³d ¶ ¯ i ± µ i ½ ¾ ¿ ³ ® ¯ i ® ¯ Ä ¯ i À µ i Ì ® ¯ µ Í

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¶ ± i ² Ä Ä ± µ » ¯ i Æ À ± i À » ³ · ³d µ Ñ i · i Â ² ± ® À ± µ ® ³ i ¶ ± i · ¯ ¸ i ± µ Â ² ± µ » Ä ³ ± µ » ¯ ¸ Ñ i ± · i

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¶ ± i ± Ï ± ® À ® ³ ¯ µ ± ¸ i ± ¿ » ² Ï À ¶ ³ ® ³ · ± ¸ Ñ i · ¯ i À º ³ ® µ i Ä À ¼ i ® ± ² ® i ¶ ± i ± ¸ i ® ¯ µ ¶ ³ Í

® ³ ´ µ Ñ i ¸ ± ¹ µ i · ¯ ¸ i ° ² Á Ä ± » ² ¯ ¸ i ¶ ± · i ± ² ± ® Ø ¯ i o µ » ± ² µ ® ³ ¯ µ · i } À Ä µ ³ » ² ³ ¯ h i

k ³ µ i ± Ä º ² ¹ ¯ Ñ i ± · i ¹ ¯ º ³ ± ² µ ¯ i ® · ¶ ± ² ¯ µ ³ ¸ » i µ ¯ i ® » i ¶ ± i ® À ± ² ¶ ¯ i ® ¯ µ i · ¯ ¸ i

° ² ¯ » ¯ ® ¯ · ¯ ¸ i ¶ ± · i ® ¸ ¯ i ° ² i ° ² ¯ » ± ¹ ± ² i i · i ° ¯ º · ® ³ ´ µ i ® ³ Ã ³ · Ñ i ¶ ± µ À µ ® ³ µ i ¯ ² Í

¹ µ ³ d ® ³ ¯ µ ± ¸ i µ ¯ i ¹ À º ± ² µ Ä ± µ » · ± ¸ h i




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ã § ß ã á ã ß â ã Þ ¦ ß â ã § ß â ã ê J Q @ G J K N] X ? C G ? @ J @ > J V ã > J Q @ H F F H R B ã J @ > J V @ X ? Q @ K E M B F B Q @R B > B K J Q @ R J O ? A a ? ã E > ? @ ? ` B > O ? @ G J K > @ D E B @F B O ? G R ? F @ b @ X J ` F ? F c @d ? @ ] F H K B F ? @ X a > B ? @ O B @ B Q ? @ ? ` B > O ? Û @ O H Q H N] ? F @ B X @ B Q ] B M H Q K J @ O B @ D E B @ Z B K J Q @ ? X G ? > C ? O J @X ? @ H ` E ? X O ? O @ B > @ X ? Q @ O B K J G F ? G H ? Q c @ d ? @ Q B N` E > O ? @ X a > B ? Û @ ] F B K H ? F @ G J > @ > E B Q R F J @ A J R J @ B @H > \ X E B > G H ? @ X J Q @ ] F J b B G R J Q @ ] J X a R H G J Q @ D E B @ > J Q @L B > B \ H G H B > @ b @ G ? Q R H ` ? F @ ? @ X J Q @ D E B @ ? G J F R B > @> E B Q R F J Q @ O B F B G Z J Q c @

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© ß ã á ã á ã ã à à á ã P X @ K E > O J @ B > @

H > ` X T Q @ Q B @ G J K ] J F R ? @ G J K J @ E > ? @ G E X R E F ? @ B U NR B > Q ? V @ O J > O B @ X J Q @ L H B > B Q @ G E X R E F ? X B Q @ A H ? M ? > @G J > @ Q J X R E F ? c @ B @ B Q ? @ ? > H K ? G H I > V @ Q E @ \ E B F C ? @G J K J @ B X @ ] F H > G H ] ? X @ H F F ? O H ? O J F @ O B @ G E X R E F ? @B > @ B X @ ] X ? > B R ? c @ P > @ G ? K L H J @ X J Q @ ] ? a Q B Q @ O B @d ? R H > J ? K T F H G ? @ b @ P Q ] ? ë ? @ Q B @ K H F ? > @ ? @ Q a @K H Q K J Q @ G J K J @ E > ? @ A B H > R B > ? @ O B @ H Q X ? Q V @ D E B @G ? Q E ? X K B > R B @ G J K ] ? F R B > @ B X @ B Q ] ? ë J X @ G J K J @H O H J K ? c @ H @ S T U H G J @ Q B @ Z ? @ ] F J ] E B Q R J @ A J X A B F Q B @ X ? @] X ? R ? \ J F K ? @ O B X @ B > G E B > R F J @ b @ X ? @ ] F J b B G G H I > @

O B @ X J Q @ Z H Q ] ? > J Z ? L X ? > R B Q V @ B Q R B @ G J > ` F B Q J @

Z ? @ Q H O J @ E > ? @ K ? D E B R ? @ ] F J K H Q J F H ? c @ @ @

v | w x z v z v ~ v ~ } | z v x } s w x z x | } v z w x z } | s w x

ÆÇÈÊªËÊÉÏÊpÐÏÇÈÏpsÊÎÊÐsqÇÎÈ

ÑÊÈÎÇÔÈuq{ÊÉÊÔ

k þ Å o ý þ i Å j ÿ ½ þ ý i



¬ - ® ¯ ° ° ¯ ± ² ® ³ ´ µ ± ® µ ¶ ¯ µ - ´ ± · ¸ ±

¹ º » ¬ ® µ ¸ ± ¼ ¯ ± ¯ ½ ¾ ° ® ³ ® ° ± ¿ À ° - º Á- ® · Â ± ½ ® µ ± · ¸ ± ¾ ¬ ¸ · ± µ À ± ¯ Ã ® ½ - ® ° Ä ¸ µ ±· ¸ ½ ± Å Æ Ç È É Ç Ê Â ± Ë ± ¼ ¯ ¼ ® ¾ ´ ± ½ ¬ ½ ±Ì ¸ µ ¸ µ ¾ ® ¸ ½ ± ¸ · ± ¯ ½ - ¬ ¼ ® À ± ¼ ¯ ±Í Î Ã ® ¾ À Ï ± Ð ¸ ° ¸ ± ¾ À µ ½ À · ¸ ° ±¸ ± · À ½ ± Ñ ¬ Î ° Ò ¸ µ À ½ ± ¼ ¯ · ± ¾ ¬ ¸ ° - ¯ · ¸ Ó À ± Ò ° ¸ µ » ¬ ® ½ - ¸ ±Ô · ¯ Õ ¸ µ ¼ ° À ± Ö ® µ ® ½ - ¯ ° ° ¯ ± ® µ ¶ ¯ µ - ´ ± ¯ · ± Ò ¬ - ³ À · ® - À ±× Ò ¬ - ³ À · Ä µ ± ¯ µ ± Ø ½ ¿ ¸ Ù ¸ Ú Â ± Ë ± ¾ À µ ± ½ ¬ ½ ± ° ¯ Ì ¸ · Ä ¸ ½ ± Ñ ® Ó À ±

¸ » ¬ Ä ± · ¸ ± ¯ ¼ ® - À ° ® ¸ · ± Ø ¾ ¬ ¸ ¼ À ° Ï ± Ø µ ± ¯ · · ¸ ± ¿ ¬ ³ · ® ¾ ´ ±

· ® ³ ° À ½ ± ½ ® µ ± µ ® µ Ì ¬ µ ¸ ± ¿ À ½ ® ³ ® · ® ¼ ¸ ¼ ± ¾ À ¹ ¯ ° ¾ ® ¸ · ± Ë ±

¾ ¸ ½ ® ± ® ¹ ¿ À ½ ® ³ · ¯ ½ ± ¼ ¯ ± ¯ µ ¾ À µ - ° ¸ ° ± ¯ µ ± · ¸ ½ ± · ® ³ ° ¯ ° Ä ¸ ½ ±

¹ ¯ Ã ® ¾ ¸ µ ¸ ½ ± ¼ ¯ ± Ñ ¸ ¾ ¯ ± ¹ ¯ ¼ ® À ± ½ ® Ì · À Ï

« ° ¸ ¾ ® ¸ ½ ± ¸ ± Ö ® µ ® ½ - ¯ ° ° ¯ ± ¸ ¿ ¸ ° ¯ ¾ ® ´ ± ¯ µ ± Û Ü Ý Þ ±

ß à á â É ã ä á ã å Æ æ È Æ Ê ç ± è ® µ ± » ¬ ¯ ± µ ¸ ¼ ® ¯ ± À ± ¾ ¸ ½ ® ± µ ¸ ¼ ® ¯ ±

¾ ¸ Ë ¯ ° ¸ ± ¯ µ ± · ¸ ± ¾ ¬ ¯ µ - ¸ Â ã Í ¸ Ã ± Ô ¬ ³ ± × Û Ü é ê Á Û Ü ë ì Ú ±

· À Ì ° ´ ± ¯ · ± ¯ Ã ¿ ¯ ° ® ¹ ¯ µ - À ± ¹ º ½ ± ° ¸ ¼ ® ¾ ¸ · ± ¼ ¯ ± ¸ µ - ® µ À Á¶ ¯ · ¸ ± ¯ µ ± · ¯ µ Ì ¬ ¸ ± ¯ ½ ¿ ¸ Ù À · ¸ Â ± À ± ¼ ¯ ± ¿ À ½ - ± µ À ¶ ¯ · ¸ ±¿ À ½ - ± ¹ À ¼ ¯ ° µ ® ½ - ¸ ± ¸ µ - ¯ ½ ± ¼ ¯ ± » ¬ ¯ ± ¯ Ã ® ½ - ® ¯ ° ¸ ± · ¸ ±¿ ¸ · ¸ ³ ° ¸ Ï ± í ¸ ½ ® ± ¼ ¯ ± ¹ ® · ¸ Ì ° À ± ¸ · Ì ¬ µ À ½ ± ¯ Õ ¯ ¹ ¿ · ¸ Á° ¯ ½ ± ¼ ¯ ± ß à á â É ã ä á ã å Æ æ È Æ Ê ± ¯ µ ± ½ ¬ ± µ ¬ ¯ ¶ ¸ ± ¯ ¼ ® ¾ ® ´ µ ±Ñ ¸ µ ± · · ¯ Ì ¸ ¼ À ± ¸ ± µ ¬ ¯ ½ - ° À ± ¿ ¸ Ä ½ ± × í ¬ ¸ ¼ ¯ ° µ À ½ ± ¼ ¯ · ±î ® Ì Ä ¸ ï ± « ° ¸ µ ¸ ¼ ¸ Â ± ì é Û é Â ± ¯ ¼ ® ¾ ® ´ µ ± ¸ ± ¾ ¸ ° Ì À ± ¼ ¯ ±í ¸ ° ¹ ¯ µ ± Ð ¯ ® ° ¯ Â ± ð ¯ ½ ñ ½ ± ò ° - ¯ Ì ¸ ± Ë ± Í ® Ì ¬ ¯ · ± ó µ Ì ¯ · ±

Ô ° ¾ ¸ ½ Â ± ¼ ® ½ ¯ Ù À ± ¼ ¯ ± ¾ ¬ ³ ® ¯ ° - ¸ ± Ë ± ¹ ¸ » ¬ ¯ - ¸ ¾ ® ´ µ ± ¼ ¯ ±

Ö ° ¸ µ ¾ ® ½ ± ô ¯ » ¬ ¯ µ ¸ Ï Ú

õ ö ÷ ø ù ø ú ÷ û ÷ ö ø ÷ ü ý þ ý ÿ 0 1 ø 1

è ¯ Ì ñ µ ± ¯ · ± 2 3 Æ æ 3 É ± ¼ ¯ ± Í ¸ Ã ± Ô ¬ ³ Â ± ß à á â É ã ä á ã å Æ æ È Æ Ê ±

Ò ¬ ¯ ± ¯ ½ ¾ ° ® - À ± × ¯ ± ® · ¬ ½ - ° ¸ ¼ À ± ¿ À ° ± ð ¬ ½ ¯ ¿ ± ² À ° ° ¯ ½ ±

í ¸ ¹ ¿ ¸ · ¸ µ ½ Â ± ½ ¬ ± ¹ ¸ Ë À ° ± Ñ ¯ - ¯ ° ´ µ ® ¹ À Â ± ¸ · ± » ¬ ¯ ±® µ ¶ ¯ µ - ´ ± ¯ µ ± Û Ü 4 5 ± ¾ À µ ± - À ¼ À ± Ë ± ³ ® À Ì ° ¸ Ò Ä ¸ ± Ë ± À ³ ° ¸ ±¿ ® ¾ - ´ ° ® ¾ ¸ Ú ± ¯ µ ± ¹ ¸ Ë À ± ¼ ¯ ± Û Ü Ý ì Â ± ¯ ½ ± ¼ ¯ ¾ ® ° ± ¹ ¯ ½ ¯ ½ ±¸ µ - ¯ ½ ± ¼ ¯ ± · ¸ ± ¸ ¿ ¸ ° ® ¾ ® ´ µ ± ¼ ¯ ± 6 Æ 7 à á Å Æ ç ã 8 À ± ¯ ½ ± ¬ µ ±· ® ³ ° À ± ½ ® µ À ± ¬ µ ± ¯ ½ - ¬ ¾ Ñ ¯ ± » ¬ ¯ ± ¾ À µ - ® ¯ µ ¯ ± ¼ À ½ ± ³ ¸ Á° ¸ Õ ¸ ½ ± ¼ ¯ ± 4 ê ± µ ¸ ® ¿ ¯ ½ ± ¾ ¸ ¼ ¸ ± ¬ µ ¸ Ï ± è ¬ ¹ ¸ ¼ ¸ ½ ± ¸ ± · À ½ ±¼ À ½ ± ¾ À ¹ À ¼ ® µ ¯ ½ ± ¼ ¸ µ ± Û é Ý ± ¾ ¸ ° - ¸ ½ ± Ë ± À - ° ¸ ½ ± - ¸ µ - ¸ ½ ±¿ À ½ ® ³ ® · ® ¼ ¸ ¼ ¯ ½ ± µ ¸ ° ° ¸ - ® ¶ ¸ ½ Ï ± í À ¹ À ± ¯ µ ± · ¸ ± ¶ ® ¼ ¸ Â ±

¸ » ¬ Ä ± - À ¼ À ± ¼ ¯ ¿ ¯ µ ¼ ¯ ± ¼ ¯ · ± ¸ Ó ¸ ° Ï ± 8 ¸ ¼ ® ¯ ± Ñ ¬ ³ ® ¯ ° ¸ ±

¯ · ¯ Ì ® ¼ À ± ¯ ½ - ¸ ° ± ¸ · · Ä ± ¾ ¬ ¸ µ ¼ À ± ½ ¯ ± ¯ ½ - ° ¯ ¹ ¯ ¾ ® ´ ± · ¸ ±

- ® ¯ ° ° ¸ Â ± ¯ · ± ¹ ¸ ° ± ¾ À ³ ° ´ ± ¶ ¯ µ Ì ¸ µ Ó ¸ ± ¼ ¯ ± · ¸ ± À ° ® · · ¸ Â ± · ¸ ±

¾ ¯ µ - ° ¸ · ± µ ¬ ¾ · ¯ ¸ ° ± · ® ³ ¯ ° ´ ± ½ ¬ ½ ± À µ ¼ ¸ ½ ± ¼ ¯ ± ¹ ¬ ¯ ° - ¯ Ï ±

8 ¸ ¼ ® ¯ ± Ò ¬ ¯ ± ¸ ± ¯ ½ ¸ ± ¾ ¸ µ - ® µ ¸ ± ¹ ¯ Ã ® ¾ ¸ µ ¸ ± ¿ ¸ ° ¸ ± » ¬ ¯ ±

· À ± ¸ ¾ ° ® ³ ® · · ¸ ° ¸ µ ± · À ½ ± » ¬ ¯ ± ® ³ ¸ µ ± ¸ ± ¸ ½ ¯ ½ ® µ ¸ ° ± ¸ ± À - ° ¸ ±

¯ ½ - ¸ ¹ ¿ ® · · ¸ ½ 9 Ú ± À ± » ¬ ¯ ± ¿ ¸ ° ¯ ¾ Ä ¸ ± » ¬ ¯ ± ® ³ ¸ ± ¸ ± ½ ¯ ° ± ·

° ¯ ¾ À µ ¾ ® · ® ¸ ¾ ® ´ µ ± ¼ ¯ ± « ¬ - ¯ µ ³ ¯ ° Ì ± ¾ À µ ± ® · · ± « ¸ - ¯ ½Ë ± · ¸ ± Ì ° ¸ µ ± ¯ ° ¸ ± ¼ ¯ ¹ À ¾ ° º - ® ¾ ¸ ± ¼ ¯ ± · ¸ ± ¿ ° À ½ ¸ ± ¿ À ° ±- À ¼ À ½ ± Ë ± ¿ ¸ ° ¸ ± - À ¼ À ½ Â ± µ À ± - ¸ ° ¼ ´ ± ¯ µ ± ¸ ¾ ¸ ³ ¸ ° ± ¯ µ ± ·- ¬ ¹ ³ ¸ ± ¼ ¯ ± · ¸ ½ ± ® · ¬ ½ ® À µ ¯ ½ ± ¿ ¯ ° ¼ ® ¼ ¸ ½ Ï ±è ¯ ± ¿ ¬ ¯ ¼ ¯ ± ¾ ¬ · ¿ ¸ ° ± ¸ ± µ ¬ ¯ ½ - ° ¸ ± ® Ì µ À ° ¸ µ ¾ ® ¸ ±Ë ± ¸ ± µ ¬ ¯ ½ - ° ¸ ± ¿ ° ® ½ ¸ Ï ± À ± ® µ µ ¯ Ì ¸ ³ · ¯ ± ¯ ½ ± » ¬ ¯ Â ± ¯ µ ±¯ · ± ¯ ½ ¿ ¯ Õ À ± Ò ¯ ° À Ó ± ¼ ¯ ± · ¸ ½ ± ¿ ¸ µ - ¸ · · ¸ ½ Â ± · ¸ ± · ¯ µ Ì ¬ ¸ ±¯ ½ ¿ ¸ Ù À · ¸ ± Ñ ¸ ± ¾ À µ - ° ¸ Ä ¼ À ± ¬ µ ¸ ± ¯ µ Ò ¯ ° ¹ ¯ ¼ ¸ ¼ ±

® µ ¾ ¬ ° ¸ ³ · ¯ Â ± ¿ ° À Ì ° ¯ ½ ® ¶ ¸ ± Ë ± ¹ À ° - ¸ · Ï ± Ð ¯ ° ¼ ¯ ¹ À ½ ± · ¸

· ¯ µ Ì ¬ ¸ ± Ë ± ½ ´ · À ± µ À ½ ± ¶ ¸ µ ± » ¬ ¯ ¼ ¸ µ ¼ À ± ¯ · ± Ì ° ¬ Ù ® ¼ À

Ë ± ¯ · ± Ñ ¸ ¾ Ñ ¸ Ï ã ß à á â É ã ä á ã å Æ æ È Æ Ê ± ¯ ½ ± ¯ · ± ° ¯ ¾ ¬ ¯ ° ¼ À ± ¼ ¯ ±

¬ µ ¸ ± Î ¿ À ¾ ¸ ± ¯ µ ± · ¸ ± » ¬ ¯ ± - À ¼ À ± ¯ · ± ¹ ¬ µ ¼ À ± ½ ¸ ³ Ä ¸ ±

¯ Ã ¿ ° ¯ ½ ¸ ° ½ ¯ ± ¸ · ± ¹ ¯ µ À ½ ± ¾ À µ ± ¾ · ¸ ° ® ¼ ¸ ¼ ± Ë ± · ¸ ± ¿ º Ì ® µ

× Ñ À Ë ± · · ¸ ¹ ¸ ¼ ¸ ± ¯ µ ± · ¸ ± µ ¯ À Ñ ¸ ³ · ¸ ± À ° ¯ · · ® ¸ µ ¸ ± ½ À

¿ À ° - ¯ ± ¿ ¸ ¿ ¯ · Ú ± ¯ ° ¸ ± ¯ · ± ¹ ¯ ¼ ® À ± ® ¼ ´ µ ¯ À ± ¿ ¸ ° ¸ ± ¼ ¯ ¾

· À ± » ¬ ¯ ± µ À ± µ À ½ ± ¸ - ° ¯ ¶ Ä ¸ ¹ À ½ ± ¸ ± ¼ ¯ ¾ ® ° ± ¯ µ ± ¶ À Ó ± ¸ · - ¸³ ¸ Õ À ± ¯ · ± - ¯ ° ° ® ³ · ¯ ± ® ¹ ¿ ¯ ° ® À ± ¼ ¯ ± · ¸ ± ¹ ® ° ¸ ¼ ¸ ± ¸ Õ ¯ µ ¸ Ï

ø 1 0 ý ÷ ÿ ø ý ÷ 0 ü ÷ ý ÿ

¯ ¾ Ä ¸ ± í ¸ ° ¼ À Ó ¸ ± Ë ± Ô ° ¸ Ì ´ µ ± » ¬ ¯ ± Ð ® ¾ ¸ ½ ½ À ±¯ ½ - º ± · · ¯ µ À ± ¼ ¯ ± ¾ · ¸ ½ ® ¾ ® ½ ¹ À Ï ± ¸ ± ¸ µ - ® µ À ¶ ¯ · ¸ ± ¼ ¯ ±Ô ¬ ³ Â ± » ¬ ¯ ± ¼ ¯ Õ ¸ ± ¹ ¬ Ë ± ¸ - ° º ½ ± · À ½ ± ¯ Ã ¿ ¯ ° ® ¹ ¯ µ - À ½

µ ¸ ° ° ¸ - ® ¶ À ½ ± ¼ ¯ ± ½ ¬ ± Î ¿ À ¾ ¸ Â ± · ¸ ½ ± ¸ µ - ¯ ° ® À ° ¯ ½ ± Ë ± · ¸ ½

½ ® Ì ¬ ® ¯ µ - ¯ ½ Â ± - ® ¯ µ ¯ ± ¾ À ¹ À ± ° ¯ ¶ ¯ ° ½ À ± Ë ± ¸ ¿ À Ë À ± ¬ µ

¼ ¯ ± · ¸ ½ ± ¯ ½ - ° ¸ - ¯ Ì ® ¸ ½ ± ¹ º ½ ± - ° ¸ ¼ ® ¾ ® À µ ¸ · ¯ ½ ± · ¸ ± µ À Á

¶ ¯ · ¸ ± ¯ ¿ ® ½ - À · ¸ ° Ï ± è ® µ ± - ¯ · ¯ Ì ° ¸ ¹ ¸ ½ ± µ ® ± - ¯ · Î Ò À µ À ½ ±

ñ µ ® ¾ ¸ ± ¿ À ½ ® ³ · ¯ ± ¾ À ¹ ¬ µ ® ¾ ¸ ¾ ® ´ µ ± ¸ ± ¼ ® ½ - ¸ µ ¾ ® ¸ ± ¯ °

· ¸ ± ¾ ¸ ° - ¸ Ï ± ¸ ± Ì ¯ µ - ¯ ± ½ ® µ ± ¯ · ¯ ¾ - ° ® ¾ ® ¼ ¸ ¼ ± - ¸ ¹ ³ ® Î µ ±

È 3 È È á Æ Æ ± ¾ À µ ± ± · À ½ ± ¹ ¯ ¼ ® À ½ ± ¸ ± ½ ¬ ± ¸ · ¾ ¸ µ ¾ ¯ ± Ë ± ½ ¯ ±

¯ µ ¶ ® ¸ ³ ¸ ± ¹ ¯ µ ½ ¸ Õ ® - À ½ ± - À ¼ À ± ¯ · ± - ® ¯ ¹ ¿ À Ï ± Ø µ ± ¬ µ ±¹ ¬ µ ¼ À ± - ¯ À · ´ Ì ® ¾ À ± Ë ± - ¯ À ¾ ° º - ® ¾ À ± ¸ µ - ¯ ° ® À ° ± ¸ · ±Ì ° ¸ µ ± - ¯ ° ° ¯ ¹ À - À ± Ë ± - ½ ¬ µ ¸ ¹ ® ± ¼ ¯ ± Û ë 4 4 ± ¯ µ ± ® ½ ³· ¸ ± ± ¾ ¾ ® ´ µ ± ¯ ½ - ¸ ³ ¸ Â ± ¾ À ¹ À ± ½ ® ¯ ¹ ¿ ° ¯ Â ± ³ ¸ Õ À ± ½ À ½ ¿ ¯¾ Ñ ¸ ± ¹ ¯ µ - ® ° ± ¯ ½ ± ¿ ¯ ¾ ¸ ¼ À Â ± · ¸ ± ± ¾ ¾ ® ´ µ ± ¯ ½ ± ¹ ¯ µ - ® ° ¸¿ À ° ± - ¸ µ - À ± ° ¯ ½ ¬ · - ¸ ± ¿ ¯ ¾ ¸ ¹ ® µ À ½ ¸ Ï ± Ø ½ ¾ ° ® ³ ® ° ± ° ¯ · ¸- À ½ ± ¯ µ ± Ò À ° ¹ ¸ ± ¼ ¯ ± ¾ ¸ ° - ¸ ½ ± Ë ± ¼ ® ¸ ° ® À ½ ± ° ¯ ½ ¿ À µ ¼ Ä ¸ ±¸ · ± ¸ Ò º µ ± ¼ ¯ ± Ñ ¸ ¾ ¯ ° ± ¾ ° ¯ ¯ ° ± » ¬ ¯ ± · À ± ¾ À µ - ¸ ¼ À ± ¯ ° ¸ ±

¶ ¯ ° ¼ ¸ ¼ ¯ ° À ± Ë ± ¿ À ° ± - ¸ µ - À ± · ¯ Ì Ä - ® ¹ À Ï

¸ ± ½ ¯ ° ® ¯ ¼ ¸ ¼ ± ¼ ¯ · ± Õ ¬ ¯ Ì À ± ¼ ¯ ± Ô ¬ ³ ± ° ¯ ½ ¿ À µ ¼ ¯

À - ° ¸ ± ¾ ¬ ¯ ½ - ® ´ µ ± Ò ¬ µ ¼ ¸ ¹ ¯ µ - ¸ · ± µ ¸ ¼ ® ¯ ± ½ ¸ ³ ¯ ± » ¬ ® Î

¯ ½ ± µ ® ± » ¬ ® Î µ ¯ ½ ± ½ À µ ± ¸ ¬ µ ± ¸ » ¬ ¯ · · ¸ ½ ± ¿ ¯ ° ½ À µ ¸ ½ ± ¸ ± · ¸

» ¬ ¯ ± ¾ ° ¯ ¯ ± ¾ À µ À ¾ ¯ ° ± Ä µ - ® ¹ ¸ ¹ ¯ µ - ¯ Ï ± Ø µ ± ¬ µ ¸ ± Î ¿ À ¾

® µ ¾ ® ¯ ° - ¸ ± Ë ± ¯ µ ± ¬ µ ± ¿ ¸ Ä ½ ± ® µ À µ ® ¹ ¸ ¼ À ± » ¬ ¯ ± ¿ ¬ ¯ ¼ ¯

ã Å Æ ã á É æ 3 Æ ã ä á ã ß É Æ à ã Æ æ ã 7 ã Å Å á ã ç ã ! " 3 Å Å 3 Ç Ê # ã Æ á Ê È æ É

¿ ¯ ° ½ À µ ¸ Ï ± ò ± ³ ® ¯ µ ± $ ¿ À ° ± » ¬ Î ± ¬ ½ - ¯ ¼ ± ¯ ½ ± ¬ ½ - ¯ ¼ ± Ë ±

µ À ± Ø · ® Ó ¸ ³ ¯ - Ñ ± ² ¸ Ë · À ° ± À ± Í À ¸ ¹ ¸ ° ± « ¸ ¼ ¸ ± 9Ø · ± ¸ ¬ - À ° ± ¯ ½ - ¸ ³ · ¯ ¾ ¯ ± · ¸ ½ ± ° ¯ Ì · ¸ ½ ± è ¯ ± ³ ¸ ° ¸ Õ ¸ Â ±¾ À ° - ¸ Ï ± ô ¯ ¿ ¸ ° - ¯ ± ¬ µ ¸ ± ¾ ¸ ° - ¸ ± ¸ ± ¾ ¸ ¼ ¸ ± ¿ ¯ ° ½ À µ ¸ ±» ¬ ¯ ± - À ¹ ¸ ± ¿ ¸ ° - ¯ ± ¯ µ ± ¯ · ± Õ ¬ ¯ Ì À Ï ± ¸ ± ¿ ° ® ¹ ¯ ° ¸ Â ± ¸ ±· ¸ ± ¼ ¯ ° ¯ ¾ Ñ ¸ ± ¼ ¯ · ± » ¬ ¯ ± ¼ ® À Â ± · ¯ ¯ ± ½ ¬ ± - ¯ Ã - À Ï ± ¬ ¯ Ì À ±¯ · ± ½ ® Ì ¬ ® ¯ µ - ¯ Â ± Ñ ¸ ½ - ¸ ± ¯ · ± ñ · - ® ¹ À Ï ± ¯ ½ ¿ ¬ Î ½ ± ¯ · ±¿ ° ® ¹ ¯ ° À ± ½ ¸ ¾ ¸ ± ¬ µ ¸ ± ¾ ¸ ° - ¸ ± ¼ ¯ · ± ¹ À µ - ¯ ± Ò À ° ¹ ¸ ¼ À ±¿ À ° ± · ¸ ½ ± » ¬ ¯ ± » ¬ ¯ ¼ ¸ ° À µ Â ± · ¸ ± · ¯ ¯ ± Ë ± ¸ ½ Ä ± · À ½ ± ¼ ¯ ¹ º ½ Â ±

½ ¬ ¾ ¯ ½ ® ¶ ¸ ¹ ¯ µ - ¯ ± Ñ ¸ ½ - ¸ ± ¸ ¾ ¸ ³ ¸ ° ± ¾ À µ ± · À ½ ± µ ¸ ® ¿ ¯ ½ Ï

% ¸ Ë ± ¼ ¯ ½ ¼ ¯ ± · ¬ ¯ Ì À ± ® µ ± µ ® - ¸ ½ ± ¶ ¸ ° ® ¸ ¾ ® À µ ¯ ½ ±

¿ À ½ ® ³ · ¯ ½ ± Ë ± ½ ¯ ± ¿ ¬ ¯ ¼ ¯ µ ± Ñ ¸ ¾ ¯ ° ± - À ¼ ¸ ± ¾ · ¸ ½ ¯ ± ¼ ¯ ±

½ À · ® - ¸ ° ® À ½ Ï ± & ¬ ® ¯ µ ¯ ½ ± µ À ± - ¬ ¶ ® ¹ À ½ ± · ¸ ± ¿ ¸ ¾ ® ¯ µ Á

¾ ® ¸ ± ¼ ¯ ± ¸ ¿ ° ¯ µ ¼ ¯ ° ± ¸ ± Õ ¬ Ì ¸ ° ± ¿ À ¼ ¯ ¹ À ½ ± - ¸ ¹ ³ ® Î µ ±

½ ¯ ° ¶ ® ° µ À ½ ± ¼ ¯ ± · ¸ ± ³ ¸ ° ¸ Õ ¸ ± ¯ µ ± ¾ À ¹ ³ ® µ ¸ ¾ ® À µ ¯ ½ ±

® µ ¸ Ì À - ¸ ³ · ¯ ½ ± » ¬ ¯ ± µ ¬ µ ¾ ¸ ± ½ ¯ ° º µ ± · ¸ ½ ± ¹ ® ½ ¹ ¸ ½ Ï ±

« ¸ µ ¸ ± ¯ · ± » ¬ ¯ ± ¸ ¼ ® ¶ ® µ ¯ ± » ¬ ® Î µ ± Ò ¬ ¯ ± Í º Ã ® ¹ À ± ¸ · · ¯ ½ - ¯ ° À ½ Ï ± ' ¹ ¿ À ½ ® ³ · ¯ ± ¸ µ - ¯ ± ¯ ½ - ¯ ± ¼ ¯ ½ ¸ Ò Ä À ±¬ µ À ± ½ ® ¯ ¹ ¿ ° ¯ ± ¿ ® ¯ ° ¼ ¯ Ï

ø 0 ( ý ÿ ÷ û ÷ þ ø ú ) ø ÿ

8 ¸ ¼ ¸ ± Ñ ¸ Ë ± ¹ º ½ ± ½ ¯ ° ® À ± » ¬ ¯ ± ¯ · ± Õ ¬ ¯ Ì À Ï ± Ø · ± ¿ ° ® ¹ ¯ ° ±· ¸ Ó À ± » ¬ ¯ ± µ À ½ ± - ® ¯ µ ¼ ¯ ± Ô ¬ ³ ± ¯ ½ ± ¼ ® ¶ ¯ ° - ® ° ½ ¯ ± ¾ À µ ±

¯ · ± ¾ À µ ¾ ¯ ¿ - À ± ¹ ® ½ ¹ À ± ¼ ¯ ± ¾ ¸ ° - ¸ ½ ± µ ¸ ® ¿ ¯ ½ ± Ë ± ¸ · ±

¹ ® ½ ¹ À ± - ® ¯ ¹ ¿ À Â ± ¯ ½ ¾ ° ® - À ± ¼ ® ° ® Ì ® ¼ À ± ¯ µ ± - ¯ À ° Ä ¸ ± ¸ ±

¬ µ ¸ ± ½ À · ¸ ± ¿ ¯ ° ½ À µ ¸ Ï ± ¸ ± ¯ · ¯ ¾ - ° ´ µ ® ¾ ¸ ± ¹ ¸ - ´ ± ¸ ± · ¸ ½ ±

¾ ¸ ° - ¸ ½ Ï ± × $ í ¬ º µ ¼ À ± Ò ¬ ¯ ± · ¸ ± ñ · - ® ¹ ¸ ± ¶ ¯ Ó ± ¯ µ ± » ¬ ¯ ±

¬ ½ - ¯ ¼ ± ° ¯ ¾ ® ³ ® ´ ± ¬ µ ± ¿ ¸ ¿ ¯ · ± ¾ À µ ± · ¯ - ° ¸ ½ ± ¸ ± ¹ ¸ µ À ±

À ± ¸ ± ¹ º » ¬ ® µ ¸ ± Ë ± Ì ¬ ¸ ° ¼ ¸ ¼ À ± ¯ µ ± ¬ µ ± ½ À ³ ° ¯ ± ¾ À µ ±

ð ¬ ¯ Ì À ± ¼ ¯ ± ¾ ¸ ° - ¸ ½

® µ ¸ ½ ® ³ · ¯ ± ¯ ± ® µ ¸ Ì À - ¸ ³ · ¯

3 8 ù 4 2 8 4 ß 8 « 6



o ý p j ý 0 þ ÿ o Ê

¾ ¬ ¸ µ - ¸ ½ ± ½ ¯ ¹ ¸ µ ¸ ½ ± ¼ ¯ ± ¾ À ¹ ¯ - ® ¼ À Â ± Ë ±

· ¸ ½ ± µ À - ¸ ³ · ¯ ½ ± * æ Æ Ê ã á ã à ã Æ å È É ã × · Ü Ý é Ú Â ±

½ ¯ ¹ ¯ Õ ¸ µ - ¯ ½ ± ¸ ± · ¸ ± ½ ¯ ° ® ¯ ± 2 ç + ç ã ¼ ¯ ± Ø ¹ ® · ® À ±í ¸ ° ³ ¸ · · ® ¼ À Ï ± í À ¹ À ± ¸ ¬ - À ° ± ¼ ¯ ± ¹ ® ¾ ° À ± ¾ ¾ ® À µ ¯ ½ ±× , æ á á Ê ã á - á Ç Å Æ æ á Ê . ± · Ü 4 ë Ú ± Ô ¬ ³ ± ¯ ½ - º ± ¸ · ± µ ® ¶ ¯ · ±¼ ¯ ± Ô ° ° ¯ À · ¸ ± Ë ± Í À µ - ¯ ° ° À ½ À Ï ± Ô ± » ¬ ® ¯ µ ± ¯ ½ - À ± · ¯ ±¿ ¸ ° ¯ Ó ¾ ¸ ± ¬ µ ¸ ± ¯ Ã ¸ Ì ¯ ° ¸ ¾ ® ´ µ ± ¼ ¯ ³ ¯ ± ³ ¬ ½ ¾ ¸ ° ± ¯ · ±· ® ³ ° À ± Ë ± ¾ À ¹ ¿ ° À ³ ¸ ° · À Ï8 ® µ Ì ñ µ ± ¯ ½ ¾ ° ® - À ° ± ¼ ¯ · ± ¯ Ã ® · ® À ± · À Ì ° ´ ± ¬ µ ¸ ±¸ ¿ ° À Ã ® ¹ ¸ ¾ ® ´ µ ± ¸ ± Í Î Ã ® ¾ À ± Ë ± ¸ ± · À ± ¹ ¯ Ã ® ¾ ¸ µ À ±

¾ À ¹ À ± · ¸ ± ¼ ¯ ± Í ¸ Ã ± Ô ¬ ³ Ï ± Ô · · Ä ± » ¬ ¯ ¼ ¸ µ ± ½ ¬ ½ ± ¾ ¬ ¯ µ Á

- À ½ Â ± ½ ¬ ½ ± ¯ µ ½ ¸ Ë À ½ ± Ë ± ½ ¬ ± È É Å É â Æ ã ä á ã Å Æ ã Ç É á Ê Æ ã

á / 3 å Æ Æ ã × · Ü Ý é Ú Ï ± ò - ° ¸ ± ¸ µ - À · À Ì Ä ¸ ± » ¬ ¯ ± Õ ¸ ¹ º ½ ± ½ ¯ ±

° ¯ ¯ ¼ ® - ´ ± Ë ± Ñ À Ë ± ¾ À ¹ À ± µ ¬ µ ¾ ¸ ± ° ¯ ½ ¬ · - ¸ ± ® µ ¼ ® ½ ¿ ¯ µ Á

½ ¸ ³ · ¯ ± ¯ ½ ± Æ ã Ç æ É Ê Æ ã á Ê Ç Æ É Å Æ ã ä á Å ã Ê 3 â Å É ã ã ¯ µ ± - ° ¯ ½ ±

- À ¹ À ½ Ï ± Ø µ ± ¬ µ ± Ì Î µ ¯ ° À ± ¿ À ¾ À ± Ò ° ¯ ¾ ¬ ¯ µ - ¸ ¼ À ± ¯ µ ±

µ ¬ ¯ ½ - ° ¸ ½ ± ¾ ¬ · - ¬ ° ¸ ½ ± ¼ ¯ ½ - ¸ ¾ ´ ± - ¸ ¹ ³ ® Î µ ± ¾ À µ ± Æ ã

â Æ Å Å 3 Æ ã å 3 á â Æ . ã ¼ ® ¸ ° ® À ± ¼ ¯ ± ½ ¬ ± ° ¯ Ì ° ¯ ½ À ± ¸ ± Ø ½ ¿ ¸ ÁÙ ¸ ± ¼ ¯ ½ ¿ ¬ Î ½ ± ¼ ¯ ± - ° ¯ ® µ - ¸ ± ¸ Ù À ½ Â ± Ë ± · À ½ ± 2 3 Æ æ 3 É Ê ã× · Ü ê Ü Á · Ü ë ì Ú ± ¯ ¼ ® - ¸ ¼ À ½ ± ¿ À ° ± Í ¸ µ ¬ ¯ · ± Ô Ó µ ¸ ° ±è À · ¯ ° Ï ± í ¬ ¸ µ ¼ À ± ¹ ¯ µ À ½ ± Ñ ¸ Ë ± » ¬ ¯ ± ¾ ® - ¸ ° ± ¸ » ¬ Ä ± ½ ¬ ½ ±- ° ¸ ³ ¸ Õ À ½ ± ¼ ¯ ± ¾ ° Ä - ® ¾ ¸ ± · ® - ¯ ° ¸ ° ® ¸ ± ¾ À ¹ À ± Æ ã à á Æ ãÇ É á Ê Æ ã á Ê Ç Æ É Å Æ ã Ë ± ¯ · ± Æ à Æ Å ã ä á ã Å Æ ã Å 3 È á æ Æ È à æ Æ ãá Ê Ç Æ É Å Æ Â ± ¸ ½ Ä ± ¾ À ¹ À ± ½ ¬ ½ ± ¾ À µ ¶ ¯ ° ½ ¸ ¾ ® À µ ¯ ½ ± ¾ À µ ± ¬ ® ½ ± ¬ Ù ¬ ¯ · Â ± · ® ³ ° À ± ¿ ´ ½ - ¬ ¹ À ± - ¯ ° ¹ ® µ ¸ ¼ À ± ¿ À ° ±

Ö ¯ ¼ ¯ ° ® ¾ À ± ó · ¶ ¸ ° ¯ Ó Ï

è ® ± î ¸ · ¯ µ ¾ ® ¸ ± · À ± Ñ ¸ ± ¾ À ¹ ¿ ¯ µ ½ ¸ ¼ À ± ¿ À ° ± ¹ ¯ ¼ ® À ±

¼ ¯ ± · ¸ ± ¹ ¬ Ë ± ¸ ¾ - ® ¶ ¸ ± Ö ¬ µ ¼ ¸ ¾ ® ´ µ ± Í ¸ Ã ± Ô ¬ ³ Â ± Í Î Ã ® Á

¾ À ± ½ ® Ì ¬ ¯ ± ¯ µ ± ¼ ¯ ¬ ¼ ¸ ± ¾ À µ ± Î · ± Ë ± ¾ À µ ± ½ ¬ ± ¸ ¾ - ® ¶ ® ¼ ¸ ¼ ±

» ¬ ¯ ± ½ ¯ ± ¯ Ã - ¯ µ ¼ ® ´ ± ¸ ± ¹ ¬ ¾ Ñ À ½ ± À - ° À ½ ± ¾ ¸ ¹ ¿ À ½ ± ¯ · ±

¿ ¯ ° ® À ¼ ® ½ ¹ À Â ± ¾ À ¹ ¿ ® · ¸ ¼ À ± ¿ À ° ± Ø ¬ Ì ¯ µ ® ¸ ± Í ¯ Ë ¯ ° Â ±

· ¸ ± À ° Ì ¸ µ ® Ó ¸ ¾ ® ´ µ ± ¼ ¯ ± ô ¸ ¼ ® À ± µ ® ¶ ¯ ° ½ ® ¼ ¸ ¼ ± Ë ± · ¸ ½ ±

¾ À · ¯ ¾ ¾ ® À µ ¯ ½ ± ¼ ® ½ ¾ À Ì ° º ± ¾ ¸ ½ ± î À Ó ± î ® ¶ ¸ ± ¼ ¯ ± Í Î Ã ® Á¾ À ± Ë ± î À Ó ± î ® ¶ ¸ ± ¼ ¯ ± Ô ¹ Î ° ® ¾ ¸ ± ¸ - ® µ ¸ Ï µ ± ¾ ¸ ¿ Ä - ¬ · À ± ¸ ¿ ¸ ° - ¯ ± ¹ ¯ ° ¯ ¾ ¯ ± ½ ¬ ± ¿ À ¯ ½ Ä ¸ Â ±À - ° À ± Õ ¬ ¯ Ì À ± ¼ ¯ ± ¹ ¯ µ - ® ° ¸ ½ ± ¿ ¸ ° ¸ ± ¼ ¯ ¾ ® ° ± · ¸ ± ¶ ¯ ° ¼ ¸ ¼ Â ±½ À ³ ° ¯ ± - À ¼ À ± ¯ µ ± · ¸ ± È É Å É â Æ ã Ç å æ 3 Æ ã ¿ ¬ ³ · ® ¾ ¸ Á¼ ¸ ± À ° ® Ì ® µ ¸ · ¹ ¯ µ - ¯ ± ¯ µ ± · Ü Ý ê Ú ± Ë ± ½ ¬ ± ½ ® µ Ì ¬ · ¸ ° ® ¼ ¸ ¼ ±¾ À ¹ À ± ° ¯ ¼ ¸ ¾ - À ° ± ñ µ ® ¾ À ± ¼ ¯ ± ½ ¬ ± ¿ ¬ ³ · ® ¾ ¸ ¾ ® ´ µ ±¬ µ ® ¿ ¯ ° ½ À µ ¸ · ± Æ Å Æ ã ä á ã á Ê Ç á æ Æ ã 7 ã ½ ¬ ± Ñ À Õ ¸ ± ¶ À · ¸ µ - ¯ ±

: Å ã å É æ æ á É ã ä á ã : à å Å 3 ä á Ê . ã · · ¸ ¹ ¸ ¼ ¸ ± ¸ ½ Ä ± ¿ À ° ± ½ ¬ ± ¾ Î Á

· ¯ ³ ° ¯ ± ¸ ¿ ¸ ° - ¸ ¹ ¯ µ - À ± ¯ µ ± Ø ¬ ¾ · ® ¼ ¯ ½ ± 4 ê Ï ± Ô ± ± µ ¸ · ¯ ½ ±

¼ ¯ ± · Ü Ý 4 ± Ô ¬ ³ ± ¯ ½ ¾ ¸ µ ¼ ¸ · ® Ó ´ ± ¸ ± · À ½ ± ¼ ¯ ¹ ´ Ì ° ¸ Ò À ½ ±

Ë ± ¹ ¯ ° ¯ ¾ ® ´ ± ¬ µ ¸ ± ° ¯ ½ ¿ ¬ ¯ ½ - ¸ ± ¼ ¯ ± « ¸ ³ ° ® ¯ · ±; ¸ ® ¼ ± ¸ · ±

¸ ± ° ¹ ¸ ° ± » ¬ ¯ ± ¹ ® ¯ µ - ¯ µ ± · ¸ ½ ± ¯ ½ - ¸ ¼ Ä ½ - ® ¾ ¸ ½ ± í ¸ ¼ ¸ ±

¼ Ä ¸ ± ½ À ¹ À ½ ± ¹ ¯ µ À ½ Ï ± ½ - ¯ ¼ ± - ¬ ¶ À ± ¼ À ½ ± ¿ ¸ ¼ ° ¯ ½ Â ±

¾ ¬ ¸ - ° À ± ¸ ³ ¬ ¯ · À ½ Â ± À ¾ Ñ À ± ³ ® ½ ¸ ³ ¬ ¯ · À ½ Â ± ¼ ® ¯ ¾ ® ½ Î ® ½ ±

- ¸ - ¸ ° ¸ ³ ¬ ¯ · À ½ Â ± - ° ¯ ® µ - ¸ ± Ë ± ¼ À ½ ± - ° ¸ ½ ³ ® ½ ¸ ³ ¬ ¯ · À ½ Â ±½ ¯ ½ ¯ µ - ¸ ± Ë ± ¾ ¬ ¸ - ° À ± ° ¯ ³ ® ½ ¸ ³ ¬ ¯ · À ½ Â ± ¾ ® ¯ µ - À ± ¶ ¯ ® µ Á- ® À ¾ Ñ À ± ° ¯ - ¸ - ¸ ° ¸ ³ ¬ ¯ · À ½ Â ± Ë ± ¸ ½ Ä ± Ñ ¸ ½ - ¸ ± ¯ · ± ® µ ± µ ® - À Ïè ¬ ± Ì ° ¸ µ ± ¸ ¼ ¹ ® ° ¸ ¼ À ° ± Ô µ - À µ ® À ± Í ¬ Ù À Ó ±Í À · ® µ ¸ ± Ñ ¸ ³ · ¸ ± ¼ ¯ ± Î · ± ¾ À ¹ À ± ¼ ¯ ± ¬ µ ± µ À ¶ ¯ · ® ½ - ¸ ± ½ ® µ ±· ¯ ¾ - À ° ¯ ½ Â ± ¬ µ ± ¼ ° ¸ ¹ ¸ - ¬ ° Ì À ± ½ ® µ ± ¿ ñ ³ · ® ¾ À ± Ë ± ½ ® µ ±- ¯ ¸ - ° À ± » ¬ ¯ ± ½ ® µ ± ¯ ¹ ³ ¸ ° Ì À ± ¿ ¯ ° ½ ® ½ - ® ´ ± Ë ± Ì ° ¸ ¾ ® ¸ ½ ±¸ ± ¯ ½ - À ± Ñ ¸ · · ´ ± ¸ · ± ± µ ± · À ± » ¬ ¯ ± - ¸ µ - À ± ½ ¯ ± · ¯ ± µ ¯ Ì ´ ± ¯ µ ±

· ¸ ± ¶ ® ¼ ¸ Ï ± Ð ¯ ° À ± ¯ · ± ¾ À µ ½ ¬ ¯ · À ± ¿ ´ ½ - ¬ ¹ À ± µ À ± ¯ Ã ® ½ - ¯ Ï ±

ò ± ¾ À ¹ À ± ¯ ½ ¾ ° ® ³ ® ´ ± ¯ · ± ¿ ° À ¿ ® À ± Í ¸ Ã ± Ô ¬ ³ ± 8 À ±

Ñ ¸ Ë ± Õ ¬ ½ - ® ¾ ® ¸ ± ¿ À ½ ® ³ · ¯ ± ½ ® ± Ñ ¸ ³ · ¸ ¹ À ½ ± Ñ À Ë ± ¸ ± · ¸ ± · ¬ Ó ±

¼ ¯ · ± Ò ¬ - ¬ ° À Ï ± Ø ½ ± ¿ ¯ ¼ ® ° ± ¼ ¯ ¹ ¸ ½ ® ¸ ¼ À Ï ± ò ± ¯ µ - À µ ¾ ¯ ½ ±

Ñ ¸ Ë ± » ¬ ¯ ± ® µ ¶ ¯ µ - ¸ ° · À ± - À ¼ À Ï ± < ± µ À ± ½ ¯ ± ¿ ¬ ¯ ¼ ¯ ± ¯ · ±

- ® ¯ ¹ ¿ À ± µ À ½ ± - ® ¯ µ ¯ ± ¯ µ ¾ ¸ ¼ ¯ µ ¸ ¼ À ½ Ï ± = > õ ? @

o ý p j ý 0 þ ÿ o Ê

½ ¯ ° ± ¯ · ± Í Î Ã ® ¾ À ± ¼ ¯ ± · À ½ ± ¸ Ù À ½ ± ½ ¯ ½ ¯ µ - ¸ ±

À ± ¯ · ± Í ¸ ¼ ° ® ¼ ± ¼ ¯ ± Ð ° ® ¹ À ± ¼ ¯ ± ô ® ¶ ¯ ° ¸ ±

» ¬ ¯ ± Ô ¬ ³ ± ¼ ¯ ½ ¾ ° ® ³ ® ´ ± ¯ µ ± ½ ¬ ± µ À ¶ ¯ · ¸ ±° ¯ ¸ · ® ½ - ¸ ± ¼ ¯ ± ¯ ½ ¸ ± Î ¿ À ¾ ¸ Â ± Æ ã å Æ Å Å á ã ä á ã A Æ Å á æ Bä á ã × Û Ü Ý Û Ú Â ± Ñ ¸ ± ¹ ¬ ¯ ° - À ± ¬ µ ± Ñ À ¹ ³ ° ¯ ± · · ¸ ¹ ¸ ¼ À ±Í º Ã ® ¹ À ± ¸ · · ¯ ½ - ¯ ° À ½ Ï ± $ Í ¬ ° ® ´ ± ¼ ¯ · ± ¾ À ° ¸ Ó ´ µ Â ± ½ ¯ ±½ ¬ ® ¾ ® ¼ ´ Â ± Ò ¬ ¯ ± ¸ ½ ¯ ½ ® µ ¸ ¼ À 9 ± ¸ ½ ± - ° ¯ ½ ± Ñ ® ¿ ´ - ¯ ½ ® ½ ± ½ À µ ±¶ º · ® ¼ ¸ ½ ± Ë ± ¿ À ° ± · À ± - ¸ µ - À ± µ À ± · À ± ¯ ½ ± µ ® µ Ì ¬ µ ¸ Ï ± $ Ö ¬ ¯ ±¬ µ ± ³ ¬ ¯ µ ± Ñ À ¹ ³ ° ¯ Â ± ¬ µ ± ³ ¬ ¯ µ ± ¸ ¹ ® Ì À 9 ± $ Ö ¬ ¯ ± ¬ µ ±¾ ¸ µ ¸ · · ¸ ± » ¬ ¯ ± - ° ¸ ® ¾ ® À µ ´ ± ¸ ± - À ¼ À ± ¯ · ± ¹ ¬ µ ¼ À ± ¿ ¸ ° ¸ ±

½ ¸ - ® ½ Ò ¸ ¾ ¯ ° ± ½ ¬ ± ¸ ¹ ³ ® ¾ ® ´ µ ± Ë ± ½ ¬ ± ¯ Ì À Ä ½ ¹ À 9

î ¯ ¸ ¹ À ½ ± ¬ µ ¸ ½ ± ¾ ¬ ¸ µ - ¸ ½ ± ¼ ¯ ± · ¸ ½ ± ® µ - ¯ ° ¹ ® Á

µ ¸ ³ · ¯ ½ ± ¾ À ¹ ³ ® µ ¸ ¾ ® À µ ¯ ½ ± ¼ ¯ ± · ¸ ± ³ ¸ ° ¸ Õ ¸ Ï ± Ð ¸ ° ¸ ±

Ô ¹ ¸ ¼ ¸ Â ± Í º Ã ® ¹ À ± ¸ · · ¯ ½ - ¯ ° À ½ ± Ò ¬ ¯ ± ¯ · ± Ñ À ¹ ³ ° ¯ ±

¹ º ½ ± ³ ¬ ¯ µ À ± Ë ± ¹ º ½ ± Ì ¬ ¸ ¿ À ± » ¬ ¯ ± Ñ ¸ ³ Ä ¸ ± ¯ µ ± ¯ · ±

¹ ¬ µ ¼ À Ï ± è ¯ Ì ñ µ ± Ö ° ¸ µ ¾ ® ½ ¾ À Â ± ¬ µ À ± ¯ ½ ± ¾ À ¹ À ± ¯ ½ ±

Ë ± µ ¸ ¼ ® ¯ ± ½ ¸ ³ ¯ ± ¾ ´ ¹ À Ï ± Í º Ã ® ¹ À ± · · ¯ ¶ ¸ ³ ¸ ± ¸ · Ì À ±

À ½ ¾ ¬ ° À ± ¯ µ ± ¯ · ± ¸ · ¹ ¸ Ï ± Ø ° ¸ ± ¿ ¯ ½ ® ¹ ® ½ - ¸ ± ¼ ¯ ± ° ¸ Ä Ó Â ±¹ ¯ ¼ ® ¸ µ À ± ¯ µ ± - À ¼ À Ï ± ¯ ± ¸ ¾ ¬ ¯ ° ¼ À ± ¾ À µ ± ¬ ¾ ¸ ½ Â ± · ¸ ± ° ¬ - ® µ ¸ Â ± · ¸ ± ³ ¬ ° À ¾ ° ¸ ¾ ® ¸ ± ½ ¯ ± · ¯ ± ® ¹ ¿ ¬ ½ ® ¯ ° À µ Ï ± è ¯ ±¿ ¯ Ì ´ ± ¬ µ ± - ® ° À Ï ± Ô ± Õ ¬ ® ¾ ® À ± ¼ ¯ ± ð À ½ Î ± ¬ ® ½ Â ± ¶ ® ¶ ® ´ ±¿ À ° ± ¯ · ± ¿ ¬ ° À ± ¿ · ¸ ¾ ¯ ° ± ¼ ¯ ± Ò ¸ ½ - ® ¼ ® ¸ ° Ï

C D 0 ü ý ÿ ÷ ÿ E F E ÿ ÷ ( ø ú ø ÷ G ù H ø ú I

è ® Ì · À ½ ± ¸ µ - ¯ ½ ± ¼ ¯ ± í ° ® ½ - À ± ¬ µ ± ¯ ¿ ® Ì ° ¸ ¹ ® ½ - ¸ ± Ì ° ® ¯ Ì À ±

½ ¯ µ - ¯ µ ¾ ® ´

Ô ½ Ä ¹ ® ¼ ¯ ½ Â J ± ½ ® ± » ¬ ® ¯ ° ¯ ½ J ± ¶ ® ¶ ® ° ± ¯ µ ± ¿ ¸ Ó ± Ë ± ¯ µ ±

¾ ¸ · ¹ ¸ Â J ± µ À ± ¿ ° ¯ Ì ¬ µ - ¯ ½ J ± » ¬ Î ± ½ ¯ ± ¼ ® ¾ ¯ ± ¼ ¯ ± - ® Ï ± ¸ ±

¶ ¯ ° ½ ® ´ µ ± ¸ ¾ - ¬ ¸ · ± ½ ¯ ° Ä ¸ ± Ô ½ Ä ¹ ® ¼ ¯ ½ Â J ± ½ ® ± » ¬ ® ¯ ° ¯ ½ J ±

¶ ® ¶ ® ° ± ¯ µ ± ¿ ¸ Ó ± Ë ± ¯ µ ± ¾ ¸ · ¹ ¸ J ± µ À ± ¾ À µ ½ ¬ · - ¯ ½ J ± · À ±

» ¬ ¯ ± ¼ ® ¾ ¯ µ ± ± · À ½ ± ³ · À Ì ½ Ï ± Ð À ° ± ¯ ½ À ± Ø ¹ ® · ® À ± ½ À ½ - ® ¯ µ ¯ ±

¯ µ ± ß à á â É ã ä á ã å Æ æ È Æ Ê ± ½ ´ · À ± ¯ · ± » ¬ ¯ ± ® Ì µ À ° ¸ ± ¯ ½ ± Ò ¯ · ® Ó Ï ±Ô ± ¸ · · ¯ ½ - ¯ ° À ½ ± µ À ± · ¯ ± Ì ¬ ½ - ¸ ° Ä ¸ ± ¯ ½ ¾ ¬ ¾ Ñ ¸ ° ± ¸ ± ½ ¬ ±¸ ¹ ® Ì À ± Í ¸ - ¯ À ± Ö ¬ ¯ ± ¬ µ ± - ° ¸ ® ¼ À ° Ï ± Í ¯ ± ¸ · ¯ Ì ° À ± ¼ ¯ ±½ ¬ ± ¹ ¬ ¯ ° - ¯ Ï ± ² ¸ ¹ ¿ À ¾ À ± ¸ ± « ® · ± µ ± - ¸ · ± ¿ À ° ± ¾ ¬ ¸ · ±» ¬ ¯ ± ½ ¯ ± ¾ ° ¯ Ä ¸ ± ¹ º ½ ± ¼ ¯ ± · À ± » ¬ ¯ ± ¯ ° ¸ Ï ± í ¸ ° ¹ ¯ µ ± · ¯ ±½ ¯ ° ¶ ® ° Ä ¸ ± ¼ ¯ ± ¾ À µ ½ ¬ ¯ · À ± Ö ¬ ® ± ½ ¬ ± ¸ ¹ ¸ µ - ¯ Ï ± ð ¸ ¹ º ½ ±Ñ ¬ ³ À ± À - ° À ± ¾ À ¹ À ± Î · Ï ± Ø µ ± ¾ ¸ ¹ ³ ® À ± Í ® · ¯ µ ¸ ± ½ ¯ ±» ¬ ¯ Õ ¸ ± ¼ ¯ ± » ¬ ¯ ± Í º Ã ® ¹ À ± · ¸ ± ¯ ¹ ³ ¸ ° ¸ Ó ´ Â ± · ¸ ± Ñ ® Ó À ±

¸ ³ À ° - ¸ ° ± Ë ± · ¸ ± ¸ ³ ¸ µ ¼ À µ ´ Ï ± ® ¼ ® ¸ ± ¾ ° ¯ ¯ ± » ¬ ¯ ± Í º Ã ® Á

¹ À ± ½ ¯ ± ° ¯ Ò ¬ Ì ® ¸ ³ ¸ ± ¯ µ ± ½ ¬ ± ® µ ½ ¯ Ì ¬ ° ® ¼ ¸ ¼ Ï ± ð ¸ ¹ º ½ ±

¼ ® Õ À ± · À ± » ¬ ¯ ± ¿ ¯ µ ½ ¸ ³ ¸ Ï

Ô · Ò ° ¯ ¼ À ± ° ¯ ¾ À Ì ¯ ± ¯ · ± ° ¬ ¹ À ° ± ¼ ¯ ± » ¬ ¯ ± í ¸ ° ¹ ¯ µ Â ±

· ¸ ± ¯ ½ ¿ À ½ ¸ ± ¼ ¯ ± Í º Ã ® ¹ À Â ± · À ± ¸ ½ ¯ ½ ® µ ´ Ï ± ô ¬ ³ Î µ ±

¸ ½ ¯ Ì ¬ ° ¸ ± ¯ µ ± ¾ ¸ ¹ ³ ® À ± » ¬ ¯ ± - ¬ ¶ À ± ¬ µ ± ¹ ¸ - ° ® ¹ À µ ® À ±

Ò ¯ · ® Ó K ± × Ö ¬ ¯ Ú ± ¯ » ¬ ® · ® ³ ° ¸ ¼ À Â ± ¬ µ ± - ¸ µ - À ± ° ¯ ¸ ¾ ¾ ® À µ ¸ Á

° ® À Â ± ½ ® µ ± ® µ - ¯ ° Î ½ ± ¯ ½ ¿ ¯ ¾ ® ¸ · ± ¿ ¸ ° ¸ ± µ ¸ ¼ ¸ ± ¿ ° ¯ ¾ ® ½ À Ï ±Ø · ³ ¸ ± · À ± ¾ À µ ½ ® ¼ ¯ ° ¸ ± ¬ µ ± Ñ À ¹ ³ ° ¯ ± Ñ À µ ° ¸ ¼ À Ï ± Ð ¯ ° Á¼ ® ´ ± - À ¼ ¸ ½ ± · ¸ ½ ± À ¿ À ° - ¬ µ ® ¼ ¸ ¼ ¯ ½ ± ¼ ¯ ± Ñ ¸ ¾ ¯ ° ½ ¯ ± ° ® ¾ À Ï ±Ø µ ± À ¿ ® µ ® ´ µ ± ¼ ¯ ± ½ ¬ ± ¼ ¯ µ - ® ½ - ¸ Â ± ¯ ° ¸ ± ¾ À ³ ¸ ° ¼ ¯ Â ±- ¯ µ Ä ¸ ± ¿ º µ ® ¾ À ± ¼ ¯ · ± ¼ À · À ° ± Ò Ä ½ ® ¾ À Ï ± ± ô À ½ ¸ ± ¸ ± ° ¹ ¸ ± ' ³ ¸ ± ¸ ± · À ± ½ ¬ Ë À Â ± » ¬ ¯ ± ¯ ° ¸ µ ± · ¸ ½ ± ¼ ¯ ¹ º ½ Ï ± í ¬ ¸ µ Á- ¸ ½ ± ¹ º ½ ± ¹ ¯ Õ À ° Â ± ½ ® µ ± ® ¹ ¿ À ° - ¸ ° · ¯ ± · À ½ ± ¹ ¯ ¼ ® À ½ Ï ± ¬ ¾ ® ¸ µ ¸ ± - ¸ ¹ ³ ® Î µ ± · À ± ¾ À µ ¼ ¯ µ ¸ ± ¾ À ¹ À ± ¬ µ ± ½ ¯ ° ±

¶ ¬ · Ì ¸ ° K ± í ¸ - ´ · ® ¾ À ± Ñ ¸ ½ - ¸ ± · ¸ ½ ± ¾ ¸ ¾ Ñ ¸ ½ Â ± ½ ¯ Ì ¬ ° À ± ¼ ¯ ±

· ¸ ± ¯ Ã ® ½ - ¯ µ ¾ ® ¸ ± ¼ ¯ · ± ¿ ¯ ¾ ¸ ¼ À Ï

µ ¸ ± ¸ ¹ ® Ì ¸ ± · ¯ ± ¼ ® ¾ ¯ ± ¸ ± · ¸ ± ¶ ® ¬ ¼ ¸ ± Ø ° ¸ ± ¬ µ ±

º µ Ì ¯ · ± ¼ ¯ ± ¹ ¸ · ¼ ¸ ¼ Â ± ¼ ¯ ³ ® ¯ ° ¸ µ ± ¾ À µ ¼ ¯ ¾ À ° ¸ ° - ¯ ±

¿ À ° ± Ñ ¸ ³ ¯ ° ± ¸ ¾ ¸ ³ ¸ ¼ À ± ¾ À µ ± Î · Ï ± ¸ · ¼ À ¹ ¯ ° À ± · À ±

¼ ¯ ± µ ¯ ± ¾ À ¹ À ± ¬ µ ± ½ ¯ ° ± ® ¹ ¿ À ½ ® ³ · ¯ Â ± ° ¯ ¾ À µ - ° ¸ ¶ ¸ Á

µ ® ¼ À ½ À Â ± ¿ ¸ ° ¸ ± » ¬ ® ¯ µ ± - À ¼ À ½ ± · À ½ ± ¼ ¯ ¹ º ½ ± Î ° ¸ ¹ À ½ ±® µ Ò ¯ ° ® À ° ¯ ½ Ï ± ð À ½ Î ± ¯ µ ¾ ¬ ¯ µ - ° ¸ ± » ¬ ¯ ± ½ ´ · À ± ¯ µ ±

· ¸ ½ ± µ À ¶ ¯ · ¸ ½ ± Ë ± ¯ µ ± · À ½ ± ¼ ° ¸ ¹ ¸ ½ ± ¿ ¬ ¯ ¼ ¯ ± Ñ ¸ ³ ¯ ° ±

Ñ Î ° À ¯ ½ Ï ± Í ¸ ° ¾ ¯ · ¸ ± ¯ ½ ± · ¸ ¿ ® ¼ ¸ ° ® ¸ ± 8 À ± · · ¯ Ì ¸ ³ ¸ ±

¸ ± ½ ¯ ° ± · À ± » ¬ ¯ ± ¾ À ° ° ® ¯ µ - ¯ ¹ ¯ µ - ¯ ± ½ ¯ ± · · ¸ ¹ ¸ ± ¬ µ ± Ñ ® Õ À ±

¼ ¯ ± ¿ ¬ - ¸ Â ± ¿ ¯ ° À ± ½ ¯ ± · ¯ ± ¸ ¿ ° À Ã ® ¹ ¸ ³ ¸ ± ³ ¸ ½ - ¸ µ - ¯ Ï ±

Ö ° ¸ µ ¾ ® ½ ¾ À ± · ¸ ± ¾ À µ - ° ¸ ¼ ® ¾ ¯ ± ¯ ° ¸ ± ¯ µ ¾ ¸ µ - ¸ ¼ À ° Â ± ¯ Ã Á

» ¬ ® ½ ® - À Â ± ½ ´ · À ± Ì ¬ ½ - ¸ ³ ¸ ± ¼ ¯ ± · À ± ¹ º ½ ± ¯ ½ ¿ ® ° ® - ¬ ¸ · Ï ±

Í À ¼ ¯ ½ - À ± ¾ ¬ · ¿ ¸ ± ¸ ± í ¸ ° ¹ ¯ µ ± À ± ¹ ¸ - ´ ± µ À ± ¾ À µ ±

¾ ® ¸ µ ¬ ° À ± ½ ® µ À ± ¾ À µ ± ¹ ¸ · À ½ ± - ° ¸ - À ½ Ï ± Í ® Ì ¬ ¯ · ± ó µ ÁÌ ¯ · ± ½ ¬ ¿ À µ ¯ ± » ¬ ¯ ± Í º Ã ® ¹ À ± ½ ¯ ± ½ ¬ ® ¾ ® ¼ ´ ± ¿ À ° » ¬ ¯ ±µ À ± ¿ ¬ ¼ À ± ° ¯ ½ ® ½ - ® ° ± - ¸ µ - À ± - ° ¸ ³ ¸ Õ À ± ® ¹ ³ Î ¾ ® · ± ³ ¸ Õ À ±¯ · ± ¾ ¬ ¸ · ± · ¸ ± - Î ¾ µ ® ¾ ¸ ± µ À ½ ± ¯ µ - ® ¯ ° ° ¸ Ï ± Ö ¯ ° µ ¸ µ ¼ À ±° ¯ ¾ ¬ ¯ ° ¼ ¸ ± » ¬ ¯ ± ½ ¯ µ - Ä ¸ ± ° ¯ ¹ À ° ¼ ® ¹ ® ¯ µ - À ± µ À ± ¼ ¯ ±· À ± » ¬ ¯ ± Ñ ® Ó À ± ½ ® µ À ± ¼ ¯ ± · À ± » ¬ ¯ ± µ À ± ¿ ¬ ¼ À ± Ñ ¸ ¾ ¯ ° Ï ±Í ® Ì ¬ ¯ · ± ¿ · ¸ µ - ¯ ¸ ± Ö ¬ ¯ ± ¬ µ ± ¼ ¯ · ¸ - À ° K ± À ½ ± - ¸ µ ±½ ¯ Ì ¬ ° À ½ ± ¼ ¯ ± ½ Ä ± ½ ® ¯ ¹ ¿ ° ¯ ± · À ± ½ À µ K ± % ¸ ³ · ¸ µ ¼ À ±

- ¸ µ - À ± ¯ ° ¸ ± ¬ µ ± ½ ¯ ° ± ½ ¯ ¾ ° ¯ - À Ï ± Ø ¹ ¹ ¸ µ ¬ ¯ · ± ¾ À µ Á

¾ · ¬ Ë ¯ ± $ & ¬ ® Î µ ¯ ½ ± ½ À ¹ À ½ ± ¿ ¸ ° ¸ ± Õ ¬ Ó Ì ¸ ° Â ± » ¬ ® Î µ ±

µ À ½ ± À - À ° Ì ¸ ± ¯ ½ ¯ ± ¼ ¯ ° ¯ ¾ Ñ À 9 Ï

L ø ÷ M ø ú 0 ý 1 ø 1 ÷ û ÷ ö ø ÷ M ø ÿ ) ý 1 ø 1

ß à á â É ã ä á ã å Æ æ È Æ Ê ã Ñ ¸ ¾ ¯ ± ¸ ¬ µ ± ¹ º ½ ± ¾ À ¹ ¿ · ¯ Õ ¸ ± · ¸ ± ± Ì ¬ ° ¸ ±

¼ ¯ ± Í ¸ Ã ± Ô ¬ ³ Ï ± í À ¹ À ± ½ ¯ ± Ñ ¸ ± ¼ ® ¾ Ñ À ± ¼ ¯ ± & ¬ ¯ ¶ ¯ ¼ À Â ±Í ¸ Ã ± Ô ¬ ³ ± µ À ± ¯ ½ ± ¬ µ ± ½ ® ¹ ¿ · ¯ ± ¯ ½ ¾ ° ® - À ° ± ½ ® µ À ± ¬ µ ¸ ±¾ À ¹ ¿ · ¯ Õ ¸ ± · ® - ¯ ° ¸ - ¬ ° ¸ ± ¯ ½ ¾ ° ® - ¸ ± ¿ À ° ± ¬ µ ± ½ À · À ± Ñ À ¹ ³ ° ¯ ±¾ ¸ ¿ ¸ Ó ± ¼ ¯ ± ¼ À ¹ ® µ ¸ ° ± - À ¼ À ½ ± · À ½ ± Ì Î µ ¯ ° À ½ Ï ± Ð À ° ± ¯ ½ À Â ±¸ ¿ ¬ µ - ´ Â ± ¯ · ± Ñ À ¹ ³ ° ¯ ± À ° » ¬ ¯ ½ - ¸ ± µ ¬ µ ¾ ¸ ± ¸ · ¾ ¸ µ Ó ¸ ° º ±· ¸ ± µ À - À ° ® ¯ ¼ ¸ ¼ ± ¼ ¯ · ± ½ À · ® ½ - ¸ ÏØ · ± Ì ° ¸ µ ± µ ¸ ° ° ¸ ¼ À ° ± ¼ ¯ ± : Å ã Å Æ á æ 3 È É ã N â 3 å É ±× · Ü Þ ê Á Û Ü Ý ë Ú ± » ¬ ¯ ± ® µ ¾ · ¬ Ë ¯ ± · ¸ ½ ± ¯ Ã - ¯ µ ½ ¸ ½ ± µ À ¶ ¯ · ¸ ½ ±

, Æ Ç É ã å á æ æ Æ ä É . ã , Æ Ç É ã ä á ã Ê Æ â æ á . ã , Æ Ç É ã

Æ 3 á æ È É . ã , Æ Ç É ã ä á Å ã É æ É . ã , Æ Ç É ã æ Æ å O Ê ã 7 ã

, Æ Ç É ã ä á ã Å É Ê ã Æ Å á ä æ É Ê ã - ¬ ¶ À ± ¬ µ ¸ ± ¯ - ¸ ¿ ¸ ±

Õ ¬ ¶ ¯ µ ® · ± ¼ ¯ ± µ ¸ ° ° ¸ ¾ ® À µ ¯ ½ ± · Ä ° ® ¾ ¸ ½ ± ¾ À ¹ À ± P á É â æ Æ Æ ã

Ë ± + N à Å Æ ã á æ ä á . ã ¹ ¬ Ë ± ½ ¯ ¹ ¯ Õ ¸ µ - ¯ ½ ± ¸ ± · ¸ ½ ± ¯ ½ ¾ ° ® - ¸ ½ ±

¿ À ° ± · À ½ ± í À µ - ¯ ¹ ¿ À ° º µ ¯ À ½ ± ¹ ¯ Ã ® ¾ ¸ µ À ½ Ï ± Ø µ ±

¾ ® µ ¾ À ± ½ ® Ì · À ½ ± µ À ± Ñ ¸ ± Ñ ¸ ³ ® ¼ À ± À - ° À ± ¹ À ¹ ¯ µ - À ± ¼ ¯ ±

¾ À ¹ ¬ µ ® ¼ ¸ ¼ ± - ° ¸ ½ ¸ - · º µ - ® ¾ ¸ ± ¾ À ¹ À ± ¸ » ¬ ¯ · ± ¼ ¯ ± · Ü ì ë ±¯ µ ± » ¬ ¯ ± Q Å 3 Ê á Ê . ã · ¸ ± ° ¯ ¶ ® ½ - ¸ ± ¼ ¯ ± è ¸ · ¶ ¸ ¼ À ° ± 8 À ¶ À ±Ë ± R ¸ ¶ ® ¯ ° ± î ® · · ¸ ¬ ° ° ¬ - ® ¸ Â ± ¿ ¬ ³ · ® ¾ ´ ± ¿ º ° ° ¸ Ò À ½ ± ¼ ¯ ±¯ ½ ¿ ¸ Ù À · ¯ ½ ± Ë ± ¹ ¯ Ã ® ¾ ¸ µ À ½ ± ½ ® µ ± µ À ¹ ³ ° ¯ ± ¼ ¯ · ± ¸ ¬ - À ° ±¿ ¸ ° ¸ ± » ¬ ¯ ± ½ ¯ ± ¶ ® ¯ ° ¸ ± · ¸ ± ¸ ± µ ® ¼ ¸ ¼ ± ® µ ¼ ® ½ À · ¬ ³ · ¯ ±¯ µ - ° ¯ ± ¬ µ À ½ ± Ë ± À - ° À ½ Ï ± ² ¸ ¹ ³ ® Î µ ± Ñ ® Ó À Â ± Ë ¸ ± ¯ µ ± · ¸ ±¹ ¸ ¼ ¬ ° ¯ Ó Â ± µ À ¶ ¯ · ¸ ½ ± ¹ ¯ - ¸ · ® - ¯ ° ¸ ° ® ¸ ½ ± ¾ À ¹ À ± à 3 Ê ãS Å Æ æ á ã ! á È æ á Æ . ã µ À ± ¾ À µ ¾ · ¬ ® ¼ ¸ ± Ñ ¸ ½ - ¸ ± · Ü ë Û Â ± Ë ± · ¸ ±

Ë ¸ ± ¸ · ¬ ¼ ® ¼ ¸ ± Ò ¸ · ½ ¸ ± ³ ® À Ì ° ¸ Ò Ä ¸ ± ¼ ¯ ± í ¸ ¹ ¿ ¸ · ¸ µ ½ Ï

í À ¹ À ± ¼ ° ¸ ¹ ¸ - ¬ ° Ì À ± ¯ ½ - º ± ¸ ± · ¸ ± ¿ ¸ ° ± ¼ ¯ ± ô À Á

¼ À · Ò À ± ½ ® Ì · ® ± Ë ± Ô µ - À µ ® À ± ¬ ¯ ° À ± î ¸ · · ¯ Õ À Ï ± Ø µ - ° ¯ ±

½ ¬ ½ ± À ³ ° ¸ ½ ± ¼ ¯ ± - ¯ ¸ - ° À ± Ñ ¸ Ë ± » ¬ ¯ ± ¹ ¯ µ ¾ ® À µ ¸ ° ±

¾ ¬ ¸ µ ¼ À ± ¹ ¯ µ À ½ ± Æ ã ß à Æ ã · Ü Þ ê Ú Â ± : Å ã å á æ å É ã × · Ü Ý 5 Ú ±

¸ ¾ ¯ ° ¾ ¸ ± ¼ ¯ · ± ¸ ½ ¯ ½ ® µ ¸ - À ± ¼ ¯ · ± í Ñ ¯ ± « ¬ ¯ ¶ ¸ ° ¸ ± ¸ ± ¬ µ ¸ ½ ±



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Revista Proceso No. 1795