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L W H E U L H I D Q G H Q W L U H O \ D F F H V V L E O H W R E H J L Q Q L Q J V W X G H Q W V , Q W K H S U R F H V V W K H V W X G H Q W Z L O O V H H D Q H Z X V H R I S D U L W \ W R V K R Z L P S R V V L E L O L W \ L Q R Q H F D V H D Q G D U D W K H U X Q X V X D O L Q V W D Q F H R I S U R R I E \ L Q G X F W L R Q W K D W U H T X L U H V Q L Q H V S H F L I L F F D V H V L Q R U G H U W R D Q F K R U W K H L Q G X F W L R Q : H E H J L Q Z L W K D F D U H I X O G H I L Q L W L R Q R I W K H S U R E O H P $ Q P ; Q F K H V V E R D U G L V D Q D U U D \ Z L W K V T X D U H F H O O V D U U D Q J H G L Q P U R Z V D Q G Q F R O X P Q V 7 K H V W D Q G D U G F K H V V E R D U G L V ; ) R U F R Q Y H Q L H Q F H Z H V K D O O D V V X P H P Q : H O D E H O W K H F H O O V L M \f F R X Q W L Q J I U R P W K H X S S H U O H I W F R U Q H U L Q P D W U L [ I D V K L R Q 1 R Z D O H J D O N Q L J K W P R Y H L V W K H U H V X O W R I P R Y L Q J W Z R F H O O V K R U L ] R Q W D O O \ R U Y H U W L F D O O \ D Q G W K H Q W X U Q L Q J D Q G P R Y L Q J R Q H F H O O L Q \r 5 H V H D U F K V X S S R U W H G L Q S D U W E \ W K H 2 I I L F H R I 1 D Y D O 5 H V H D U F K & R Q W U D F W 1 - This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 9 2 / 1 2 ' ( & ( 0 % ( 5 ) , * 8 5 ( ( [ W H Q V L R Q R I D + D P L O W R Q L D Q F \ F O H L Q * Q \f W R R Q H L Q * Q \f I R U Q L V H Y H Q 6 L Q F H W K L V I D F W L V F U L W L F D O I R U W K H F R Q V W U X F W L R Q Z H D U H G H Y H O R S L Q J Z H V K D O O S U R Y H L W E \ L Q G X F W L R Q ) , * 8 5 ( G L V S O D \ V R Q H R I W K H F \ F O H V L Q + \f , W V P D W H L V I R U P H G E \ W K H U H I O H F W L R Q D E R X W W K H Y H U W L F D O D [ L V W K U R X J K W K H F H Q W H U R I W K H E R D U G 7 K H D G G L W L R Q D O W Z R U R Z V R I Y H U W L F H V D W W K H E R W W R P V X J J H V W K R Z W K H F \ F O H V K R Z Q L V H [ W H Q G H G L Q + \f 6 S H F L I L F D O O \ Z H G H O H W H H G J H V \f \f D Q G \f \f D Q G L Q V H U W H G J H V \f \f \f \f \f \f \f \f \f \f D Q G \f \f 5 H S H D W L Q J W K L V H [ W H Q V L R Q G L V S O D \ V W K H S D L U H G F \ F O H V W U X F W X U H L Q + P \f Z K H Q H Y H U P L V R G G 6 L P L O D U O \ ) , * 8 5 ( G L V S O D \ V W Z R R I W K H I R X U F \ F O H V L Q + \f 7 K H R W K H U W Z R P D W H V D U H I R X Q G E \ X V L Q J D Y H U W L F D O U H I O H F W L R Q $ Q D O R J R X V W R W K H R G G F D V H Z H H [ W H Q G W K H F \ F O H V V K R Z Q E \ G H O H W L Q J H G J H V \f \f D Q G \f \f D Q G L Q V H U W L Q J H G J H V \f \f \f \f \f \f \f \f \f \f D Q G \f \f 5 H S H D W L Q J W K L V H [ W H Q V L R Q G L V S O D \ V W K H I R X U F \ F O H V W U X F W X U H L Q + P \f Z K H Q H Y H U P L V H Y H Q # , \b & \r R 2 ) , * 8 5 ( 2 Q H R I W K H F \ F O H V L Q + \f D Q G L W V H [ W H Q V L R Q W R + \f # # X \r R \r R ) , * 8 5 ( 7 Z R R I W K H F \ F O H V L Q + \f D Q G L W V H [ W H Q V L R Q W R + \f 7 R H [ W H Q G D + D P L O W R Q L D Q F \ F O H L Q * P Q \f Z L W K P R G G W R R Q H * P Q \f Z H S O D F H + P \f D O R Q J V L G H R I * P Q \f D V V K R Z Q L Q ) , * 8 5 ( : H U H P R Y H W Z R H G J H V Q \f Q \f D Q G Q \f Q \f I U R P W K H + D P L O W R Q L D Q F \ F O H D Q G W Z R H G J H V Q \f Q \f D Q G Q \f Q \f I U R P + P \f D Q G W K H Q L Q V H U W I R X U H G J H V Q \f Q \f Q \f Q \f Q \f Q \f D Q G Q \f Q \f 7 K L V K D V W K H H I I H F W R I L Q F R U S R U D W L Q J W K H W Z R F \ F O H V R I + P \f L Q W R W K H J L Y H Q + D P L O W R Q L D Q F \ F O H W R F U H D W H D Q H Z + D P L O W R Q L D Q F \ F O H L Q * P Q \f 7 K H Q H Z F \ F O H This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 9 2 / 1 2 ' ( & ( 0 % ( 5 / R X L V 3 R V D D V D W H H Q D J H U D Q G U H S R U W H G L Q W K H F O D V V L F E R R N R I 5 R V V + R Q V E H U J H U � @ $ V V X P H W K D W Z H K D Y H I R X Q G D + D P L O W R Q L D Q F \ F O H Y Y Y Q Y / H W X V U H F R O R U W K H Y H U W L F H V U H G D Q G E O X H Z L W K H Y H U \ Y H U W H [ L Q U R Z V D Q G U H G D Q G H Y H U \ Y H U W H [ L Q U R Z V D Q G E O X H 7 K L V F R O R U L Q J Q R O R Q J H U V H U Y H V D V W K H E L S D U W L W L R Q I R U W K H J U D S K V L Q F H V R P H E O X H Y H U W L F H V D U H D G M D F H Q W W R R W K H U E O X H Y H U W L F H V I R U H [ D P S O H \f D Q G \f + R Z H Y H U H Y H U \ U H G Y H U W H [ L V D G M D F H Q W R Q O \ W R E O X H Y H U W L F H V 7 K X V L Q D S U H V X P H G + D P L O W R Q L D Q F \ F O H W K H U H G Y H U W L F H V P X V W D O Z D \ V E H V H S D U D W H G E \ E O X H Y H U W L F H V 6 L Q F H Z H K D Y H Q Y H U W L F H V R I H D F K F R O R U W K H U H G D Q G E O X H Y H U W L F H V P X V W D O W H U Q D W H D U R X Q G W K H F \ F O H 1 R Z V W D U W L Q J D W Y \f Z H F D Q F R Q F O X G H W K D W D O O W K H Y H U W L F H V L Q R G G S R V L W L R Q V R Q W K H F \ F O H 9 N D U H U H G % X W I U R P W K H R U L J L Q D O E O D F N D Q G Z K L W H F R O R U L Q J Z H F D Q F R Q F O X G H H T X D O O \ Z H O O W K D W D O O W K H Y H U W L F H V 9 N D U H D O V R Z K L W H 7 K X V D O O U H G Y H U W L F H V D U H Z K L W H Y H U W L F H V E X W W K L V F R Q W U D G L F W V W K H G L I I H U H Q W S D W W H U Q F K R V H Q I R U W K H W Z R F R O R U L Q J V : H F R Q F O X G H W K D W Q R + D P L O W R Q L D Q F \ F O H L V S R V V L E O H 7 R D Q D O \ ] H F R Q G L W L R Q F \f Z H L Q W U R G X F H F H U W D L Q J U D S K L F D O F R Q F H S W V 7 K H ; E R D U G K D V D O U H D G \ E H H Q H [ F O X G H G L Q W K H S U H F H G L Q J S D U D J U D S K : K H Q Z H U H P R Y H D Y H U W H [ Y I U R P D J U D S K * Z H D O V R U H P R Y H D O O H G J H V L Q F L G H Q W Z L W K Y ) R U D Q \ * K D Y L Q J D + D P L O W R Q L D Q F \ F O H L W L V F O H D U W K D W U H P R Y L Q J D Q \ V H W R I N Y H U W L F H V F D Q O H D Y H D W P R V W N F R Q Q H F W H G F R P S R Q H Q W V 6 L Q F H U H P R Y L Q J Y H U W L F H V \f D Q G \f I U R P * \f O H D Y H V W K U H H F R P S R Q H Q W V Z H P X V W F R Q F O X G H W K D W Q R + D P L O W R Q L D Q F \ F O H H [ L V W V I R U W K H ; E R D U G 1 R Z L W K D S S H Q V W K D W L Q * \f Y H U W L F H V \f \f \f \f \f \f \f D Q G \f D O O K D Y H G H J U H H W Z R I R U F L Q J X V W R L Q F O X G H L Q D S U H V X P H G + D P L O W R Q L D Q F \ F O H W K H H G J H V V K R Z Q L Q ) , * 8 5 ( 7 K H V H H G J H V I R U P V L [ S D W K V W K D W P X V W O L H Z L W K L Q W K H + D P L O W R Q L D Q F \ F O H : H D O V R F R Q V L G H U W K H W Z R Y H U W L F H V P L V V H G E \ D O O V L [ S D W K V Q D P H O \ \f D Q G \f D V W U L Y L D O S D W K V : H G H I L Q H D Q H Z J U D S K * \r \f G H U L Y H G I U R P W K H V H H L J K W S D W K V E \ O H W W L Q J R Q H Q H Z Y H U W H [ V W D Q G I R U H D F K R I W K H V H H L J K W S D W K V D Q G M R L Q L Q J W Z R R I W K H V H Q H Z Y H U W L F H V L D Q G M Z K H Q H Y H U W K H U H L V D Q H G J H L Q * \f M R L Q L Q J D Q H Q G R I S D W K L W R D Q H Q G R I S D W K M 1 R Z D + D P L O W R Q L D Q F \ F O H L Q W K H R U L J L Q D O * \f P X V W I R U F H D F R U U H V S R Q G L Q J + D P L O W R Q L D Q F \ F O H W R E H S U H V H Q W L Q * \r \f D O W K R X J K W K H F R Q Y H U V H Q H H G Q R W E H W U X H % X W * \r \f K D V W Z R Y H U W L F H V R I G H J U H H W K U H H Z K R V H U H P R Y D O O H D Y H V W K U H H F R P S R Q H Q W V 7 K H U H I R U H Q H L W K H U * \r \f Q R U * \f F D Q K D Y H D + D P L O W R Q L D Q F \ F O H \n a a U ) , * 8 5 ( 6 L [ W H H Q H G J H V W K D W P X V W E H O R Q J W R D Q \ + D P L O W R Q L D Q F \ F O H R I * \f D Q G W K H U H V X O W L Q J G H U L Y H G J U D S K * \r \f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his content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 0 $ 7 + ( 0 $ 7 , & 6 0 $ * $ = , 1 ( W K H S H U S H Q G L F X O D U G L U H F W L R Q 7 K X V L I Z H V W D U W D W F H O O L M \f Z H F D Q F R P S O H W H W K H P R Y H R Q R Q H R I H L J K W F H O O V L M " \f R U L " M " \f 2 I F R X U V H L I Z H D U H W R R F O R V H W R W K H E R U G H U R I W K H E R D U G V R P H R I W K H V H F K R L F H V P D \ Q R W H [ L V W 7 K H N Q L J K W \n V W R X U T X H V W L R Q L V X V X D O O \ S R V H G L Q W K L V I R U P 3 U R E O H P 2 Q Z K L F K P ; Q E R D U G V F D Q D N Q L J K W P D N H V X F F H V V L Y H O H J D O N Q L J K W P R Y H V Y L V L W H Y H U \ F H O O H [ D F W O \ R Q F H D Q G F R Q F O X G H E \ U H W X U Q L Q J W R L W V V W D U W L Q J F H O O " 7 K H U H L V D O V R D Y H U V L R Q R I W K H S U R E O H P V H H N L Q J R S H Q W R X U V Z K H U H W K H N Q L J K W L V Q R W U H T X L U H G W R U H W X U Q W R K L V V W D U W L Q J S R V L W L R Q 7 K H R S H Q W R X U S U R E O H P F D Q E H V R O Y H G E \ W K H V D P H P H W K R G V D V W K H P R U H F R P P R Q F O R V H G W R X U S U R E O H P Z H V K D O O O H D Y H L W D V D F K D O O H Q J H I R U W K H L Q W H U H V W H G U H D G H U 7 K H I L U V W V W H S L V W R F R Q Y H U W W K H S U R E O H P W R D T X H V W L R Q D E R X W F H U W D L Q J U D S K V : H G H I L Q H D J U D S K * P Q \f R Q P Q Y H U W L F H V E \ U H S O D F L Q J H D F K F H O O R I W K H E R D U G E \ D Y H U W H [ D Q G W K H Q M R L Q L Q J W Z R Y H U W L F H V E \ D Q H G J H L I W K H \ D U H V H S D U D W H G E \ D N Q L J K W \n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n V S X ] ] O H F D Q E H I R X Q G L Q � @ 7 K H F X V W R P D U \ D O W H U Q D W L Q J Z K L W H D Q G E O D F N F R O R U L Q J R I W K H F K H V V E R D U G L V S U H V H U Y H G L Q W K H Z K L W H D Q G E O D F N Y H U W L F H V R I W K H J U D S K : H V H W Y H U W H [ L M \f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f : H F D Q Q R Z V W D W H W K H F R Q G L W L R Q V W K D W G H W H U P L Q H Z K L F K F K H V V E R D U G V K D Y H D N Q L J K W \n V W R X U 7 + ( 2 5 ( 0 $ Q P ; Q F K H V V E R D U G Z L W K P Q K D V D N Q L J K W \n V W R X U X Q O H V V R Q H R U P R U H R I W K H V H W K U H H F R Q G L W L R Q V K R O G V D \f P D Q G Q D U H E R W K R G G E \f P R U R U F \f P D Q G Q R U 3 U R R I : H E H J L Q E \ V K R Z L Q J Z K \ F R Q G L W L R Q V D \f E \f D Q G F \f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f G R H V Q \n W H Y H Q K D Y H W Z R D Y D L O D E O H H G J H V W R E H X V H G L Q W K H F \ F O H ) R U P W K H L P S R V V L E L O L W \ L V P R U H V X E W O H : H S U H V H Q W K H U H W K H S U R R I G L V F R Y H U H G E \ This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 9 2 / 1 2 ' ( & ( 0 % ( 5 % X W Q R Z Z H P X V W F R P S O H W H W K H S U R R I R I W K H W K H R U H P 7 K H O H P P D F D Q E H X V H G W R D G G I R X U F R O X P Q V R U I R X U U R Z V W R D N Q R Z Q V R O X W L R Q 7 K X V Z H F D Q F R Q V W U X F W V R O X W L R Q V I R U * P Q \f S U R Y L G H G Z H K D Y H D F R O O H F W L R Q R I V W D U W L Q J F D V H V I R U H D F K S R V V L E O H P R G X O R F O D V V S D L U � L M @ Z K H U H E R W K L D Q G M D U H W D N H Q P R G X O R 7 K X V L W P L J K W V H H P W K D W Z H Z R X O G Q H H G L Q V W D Q F H V W R V H U Y H D V W K H E D V H R I R X U F R Q V W U X F W L R Q % X W E \ I O L S S L Q J D U H F W D Q J O H R Y H U D E R X W L W V P D L Q G L D J R Q D O Z H F D Q L Q W H U F K D Q J H L D Q G M U H G X F L Q J W K H F R X Q W W R L Q V W D Q F H V 0 R U H R Y H U U H F D O O W K D W F R Q G L W L R Q D \f I R U E L G V R G G R U G H U H G E R D U G V H [ F O X G L Q J F O D V V H V � @ � @ D Q G � @ 7 K L V O H D Y H V M X V W V H Y H Q F O D V V H V & R Q V L G H U L Q J W K H I R U E L G G H Q Y D O X H V R I P D Q G W K H V P D O O H V W S R V V L E O H P H P E H U V R I W K H V H V H Y H Q F O D V V H V D U H ; ; [ [ ; ; D Q G [ % X W F R Q G L W L R Q F \f H [ F O X G H V V L ] H [ 7 R U H S O D F H L W D Q G E H D E O H W R J H Q H U D W H D O O R W K H U R U G H U V L Q W K H V D P H F O D V V Z H P X V W L Q F O X G H E R W K ; D Q G ; 6 L P L O D U O \ W K H L P S R V V L E O H R U G H U [ I R U F H V X V W R L Q F O X G H E R W K ; D Q G ; 7 K X V W K H U H D U H Q L Q H V S H F L I L F L Q V W D Q F H V Z K R V H + D P L O W R Q L D Q F \ F O H V P X V W E H F R Q V W U X F W H G L Q G L Y L G X D O O \ E H I R U H W K H O H P P D F D Q E H X V H G W R I L Q L V K W K H M R E E \ L Q G X F W L R Q , K D Y H Q R S D U W L F X O D U P H W K R G I R U J H Q H U D W L Q J W K H V H Q L Q H V R O X W L R Q V E X W Z K H Q H Y H U S R V V L E O H , K D Y H W U L H G W R V H O H F W V R O X W L R Q V W K D W K D Y H S O H D V L Q J V \ P P H W U \ R U Q H D U V \ P P H W U \ $ O O Q L Q H D U H F R O O H F W H G L Q ) , * 8 5 ( , F R X O G Q \n W U H V L V W W K H X U J H W R V H H N W K H P R V W F R P S D F W D U U D Q J H P H Q W R I W K H Q L Q H V R O X W L R Q V L Q W R D V L Q J O H G U D Z L Q J [ [ [ a [ [ ) , * 8 5 ( 7 K H Q L Q H + D P L O W R Q L D Q F \ F O H V W K D W I R U P W K H E D V H R I W K H L Q G X F W L Y H F R Q V W U X F W L R Q This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 0 $ 7 + ( 0 $ 7 , & 6 0 $ * $ = , 1 ( / ( 0 0 $ , I * P Q \f K D V D + D P L O W R Q L D Q F \ F O H W K D W L Q F O X G H V W K H H G J H V Q \f Q \f P Q , \f P Q \f P O \f P \f P Q \f P Q \f Q \f Q \f Q \f Q \f P Q \f P Q \f P \f P \f P Q \f P Q \f P \f P \f W K H Q * P Q \f D O V R K D V D + D P L O W R Q L D Q F \ F O H L Q F O X G L Q J W K H F R U U H V S R Q G L Q J H G J H V Q \f Q \f P Q \f P Q \f P \f P \f P Q \f P Q \f Q \f Q \f Q \f Q \f P Q \f P Q \f P \f P \f P Q \f P Q \f P \f P \f 3 U R R I 7 K H U H T X L U H G H G J H V D U H G L V S O D \ H G Y L V X D O O \ L Q ) , * 8 5 ( ) R U P W K H V H H G J H V G H J H Q H U D W H L Q W R D V H W R I V H Y H Q ) R U D O O Y D O X H V R I P D Q G Q I R X U R I W K H U H T X L U H G H G J H V V S H F L I L F D O O \ W K H H G J H V Q \f Q \f P \f P \f P Q \f P Q \f D Q G P Q \f P Q \f W K D W D O O O H D G L Q W R F R U Q H U F H O O V \f D U H D O U H D G \ I R U F H G W R R E W D L Q D Q \ + D P L O W R Q L D Q F \ F O H 7 K X V W K H D G G L W L R Q D O K \ S R W K H V L V Q H H G H G W R I D F L O L W D W H W K H L Q G X F W L R Q L V Q R W D V U H V W U L F W L Y H D V L W P D \ D W I L U V W D S S H D U 7 R D G G I R X U F R O X P Q V W R D Q \ + D P L O W R Q L D Q F \ F O H L Q * Q \f W K D W F R Q W D L Q V W K H F U L W L F D O V H Y H Q H G J H V Z H S O D F H D F H U W D L Q ; D U U D \ Z L W K D V S D Q Q L Q J S D W K D O R Q J V L G H * Q \f G H O H W H H G J H Q \f Q \f I U R P W K H F \ F O H D Q G L Q V H U W H G J H V Q \f Q \f D Q G Q \f Q \f L Q R U G H U W R L Q F R U S R U D W H W K H S D W K L Q W R W K H F \ F O H ) , * 8 5 ( V K R Z V W K H H [ W H Q V L R Q R I D + D P L O W R Q L D Q F \ F O H L Q * \f W R R Q H L Q * \f W R L O O X V W U D W H W K L V F R Q V W U X F W L R Q 7 K H Q H Z + D P L O W R Q L D Q F \ F O H D O V R F R Q W D L Q V W K H S U H V F U L E H G V H Y H Q H G J H V V R L W W R R F D Q E H X V H G I R U I X U W K H U H [ W H Q V L R Q V \r \r \r ) , * 8 5 ( 7 K H W H Q H G J H V U H T X L U H G I R U W K H S U R S R V H G L Q G X F W L R Q ) R U P ! Z H X V H D Q P ; D U U D \ + P \f W K D W L V R E W D L Q H G I U R P * P \f E \ G H O H W L Q J D O O H G J H V M R L Q L Q J F R O X P Q W Z R W R F R O X P Q W K U H H D Q G D O O H G J H V M R L Q L Q J Y H U W L F H V W Z R F R O X P Q V D S D U W H [ F H S W W K R V H M R L Q L Q J Y H U W L F H V L Q U R Z V D Q G D Q G W K R V H M R L Q L Q J Y H U W L F H V L Q U R Z V P D Q G P 7 K H U H P D L Q L Q J J U D S K + P \f L V U H J X O D U R I G H J U H H W K D W L V H Y H U \ Y H U W H [ K D V G H J U H H , W V H G J H V I R U P F \ F O H V W K D W Z U D S D U R X Q G W K H E R D U G K X J J L Q J W K H R X W V L G H E R U G H U D V F O R V H O \ D V S R V V L E O H E X W L W L V Q R W D V L Q J O H F \ F O H , W L V H D V \ W R V H H W K D W + P \f K D V D S D L U R I P F \ F O H V Z K H Q P L V R G G D Q G I R X U P F \ F O H V Z K H Q P This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to 0 $ 7 + ( 0 $ 7 , & 6 0 $ * $ = , 1 ( F R Q W D L Q V W K H S U H V F U L E H G H G J H V 7 K H H [ W H Q V L R Q R I * \f W R * \f L V L O O X V W U D W H G L Q ) , * 8 5 ( ) , * 8 5 ( ( [ W H Q V L R Q R I D + D P L O W R Q L D Q F \ F O H L Q * Q \f W R R Q H L Q * Q \f I R U Q 6 L P L O D U O \ I R U P H Y H Q D V L Q ) , * 8 5 ( Z H F D Q L Q F R U S R U D W H + P \f L Q W R D + D P L O W R Q L D Q F \ F O H R I * P Q \f E \ I L U V W U H P R Y L Q J W K H I R X U H G J H V Q \f Q \f Q \f Q \f P Q O \f P Q \f D Q G P Q \f P Q \f I U R P W K H + D P L O W R Q L D Q F \ F O H W K H Q U H P R Y L Q J W K H I R X U H G J H V Q \f Q \f Q \f Q \f P Q O \f P Q \f D Q G P Q \f P O Q \f I U R P + P \f D Q G I L Q D O O \ L Q V H U W L Q J W K H H L J K W H G J H V Q \f Q \f Q \f Q \f Q \f Q \f Q \f Q \f P Q O \f P Q \f P Q \f P Q \f P Q \f P Q \f D Q G P Q \f P Q \f $ J D L Q W K H Q H Z F \ F O H F R Q W D L Q V W K H S U H V F U L E H G H G J H V 7 K H H [ W H Q V L R Q R I * \f W R * \f L V L O O X V W U D W H G L Q ) , * 8 5 ( 7 K L V F R P S O H W H V W K H S U R R I R I W K H O H P P D ) , * 8 5 ( ( [ W H Q V L R Q R I D + D P L O W R Q L D Q F \ F O H L Q * Q \f W R R Q H L Q * Q \f I R U Q This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to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n V F L U F X L W V D Q G W R X U V $ U V & R P E L Q D W R U L D $ \f 5 + R Q V E H U J H U 3 R V D \n V V R O X W L R Q 0 D W K H P D W L F D O * H P V S : : 5 R X V H % D O O D Q G + 6 0 & R [ H W H U 0 D W K H P D W L F D O 5 H F U H D W L R Q V D Q G ( V V D \ V 8 Q L Y H U V L W \ R I 7 R U R Q W R 3 U H V V 7 R U R Q W R S S 5 - : L O V R Q D Q G - - : D W N L Q V * U D S K V D Q , Q W U R G X F W R U \ $ S S U R D F K - R K Q : L O H \ D Q G 6 R Q V , Q F 1 H Z S 6 W H L Q H U 0 L Q L P D O 7 U H H V R Q & K L Q H V H & K H F N H U E R D U G V ) . + : $ 1 * $ 7 \t 7 % H O O / D E R U D W R U L H V 0 X U U D \ + L O O 1 - ' = ' 8 $ F D G H P L D 6 L Q L F D % H L M L Q J & K L Q D , Q W U R G X F W L R Q ) R U D J L Y H Q V H W 3 R I S R L Q W V L Q W K H S O D Q H 6 3 \f D 6 W H L Q H U P L Q L P D O W U H H 6 0 7 \f L V W K H V K R U W H V W Q H W Z R U N V S D Q Q L Q J 3 5 H F H Q W O \ & K X Q J * D U G Q H U D Q G * U D K D P &#x R U;&#x N ;&#x 00; @ V W X G L H G W K H 6 0 7 S U R E O H P R Q D Q Q ; Q V T X D U H O D W W L F H W K D W W K H \ F D O O H G D F K H F N H U E R D U G 7 K H \ J D Y H D J H Q H U D O F R Q V W U X F W L R Q R I K H X U L V W L F 6 0 7 V R Q F K H F N H U E R D U G V D Q G F R Q M H F W X U H G W K D W W K H F R Q V W U X F W H G W U H H V D U H P L Q L P D O I R U F H U W D L Q Y D O X H V R I Q : K L O H W K H F K H F N H U E R D U G L V L Q W K H V K D S H R I D V T X D U H W K H & K L Q H V H F K H F N H U E R D U G L V L Q W K H V K D S H R I D 6 W D U R I ' D Y L G W U L D Q J X O D W H G L Q W R H T X L O D W H U D O W U L D Q J O H V R I W K H V D P H V L ] H V H H ) , * 8 5 ( \f ) R U P D O O \ I R U Q Z H G H I L Q H D O D W W L F H G K H [ D J R Q W U L D Q J O H \f W R E H D U H J X O D U K H [ D J R Q H T X L O D W H U D O W U L D Q J O H \f G L Y L G H G L Q W R G L V M R L Q W H T X L O D W H U D O W U L D Q J O H V E \ O L Q H V S D U D O O H O W R W K H V L G H V R I W K H K H [ D J R Q W U L D Q J O H \f 7 K H K H [ D J R Q W U L D Q J O H \f L V V D L G W R E H R I R U G H U Q L I W K H U H D U H Q O D W W L F H S R L Q W V R Q H D F K V L G H / H W + Q 7 Q \f E H W K H V H W R I O D W W L F H S R L Q W V R I W K H This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to : K L F K 5 H F W D Q J X O D U & K H V V E R D U G V + D Y H D . Q L J K W \n V 7 R X U " $ X W K R U V \f 6 R X U F H 0 D W K H P D W L F V 0 D J D ] L Q H 9 R O 1 R ' H F \f S S 3 X E O L V K H G E \ 6 W D E O H 8 5 / $ F F H V V H G Your use of the JSTOR archive indicates your acceptance of the Terms & Conditions of Use, available at JSTOR is a not-for-profit service that helps scholars, researchers, and students discover, use, and build upon a wide range ofcontent in a trusted digital archive. We use information technology and tools to increase productivity and facilitate new formsof scholarship. For more information about JSTOR, please contact support@jstor.org. Mathematical Association of America is collaborating with JSTOR to digitize, preserve and extend access toMathematics Magazine. http://www.jstor.org This content downloaded from 128.2.113.140 on Wed, 2 Apr 2014 11:29:27 AMAll use subject to