



















Q 



r^ r-~ 



r^ r^ r^ i-^ 



r~ 



r~ 



l-^ 



f~ 









<D 



u u S S 



u u u u 



u 



U 



u 



u 



■* 



^ 



't ■*• 



3 



Q Q j _i 



Q Q Q Q 



Q 



Q 



Q 



Q 



J 



j 



J J 







CO 



<! < w w 



< < < < 



< 



< 



< 



< 



w 



w 



U W 



z z u u 



z z z z 



Z 



Z 



Z 



Z 



u 



u 



O U 























<u -o 





















_Q u 





















1 ^ 

 3 tL 

 Z 



o o o o 



-a -a O O 



o 



o 



o 



o 



o 



o 



o o 









































O C T3 





















j_ (U 0> 





















MS 



^ ^ ^ p^ 



m m m m 



m 



m 



<r> 



m 



m 



m 



m m 



P u 9- 





















C <u X 





















3 D. W 





















2 co 





















jC 



o o o o 



o o o o 



O 



O 



O 



© 



o 



O 



o o 



a. 3 



tJ- **■ f~ r- 



CO 00 -tf- Tt" 



f~ 



t-~ 



p~ 



t^ 



r^ 



r^ 



r- t-^ 





t-~ r-- m m 















en m 



Q "" 



cm cm cm cm 



•O VO N N 



CM 



cm 



cm 



CM 



cm 



CM 



CM CM 



u 









































3 ^"^ 





















ES >, 



N h N N 



m ro r— t> 



CM 









cm 



CM 



CM CM 



O 5s 



ON ON O O 



O O C\ On 



o 



o 



o 



o 



o 



o 



o o 



Q. T3 



^H rt Tj- Tf 



-* ,J- rH rH 



Tt- 



-t- 



"d- 



■* 



■* 



-1- 



* ■* 



X — ' 





















H 





















(J J= 





















c "° bo 





















H U c 



O in O m 



O in O in 



o 





o 





o 





O in 



ti vr ^ 



m r^ in r^ 



m [n <^i hs 





t^ 





f~ 





r^ 



in r^ 

































































1^ rt H VO 



in M « oo 





oo 





oo 





oo 



m oo 



£ ■* 



H ■*■ m rj- 











m 



cm 





CM en 



co "-' 































T3 



-d 



















4J 





















N 



N 







































T3 



■u 



















O 



o 



















C 



c 



















rt 











o 





















^ 







,_, 



,_, 



,_7 



T-T 



T_( 



rH 



r^ r-~ 



< 



\o o \o o 





00 



oo 



oo 



00 



oo 



00 



00 00 





^ ^ fr ^ 



H- h- h- h- 



H 



H 



H 



H 



H 



H 



H H 





4 4 4 4 



4 4 4 4 



4 



4 



4 



4 



on 



ON 



ON ON 







CM CM CM CM 



CM 





CM 



CM 











O O O O 



o o o o 



O 



o 



o 







CM 







CM CM CM <N 



CM CM CM CM 



CM 



cm 



cm 





cm 



CM 



CM CM 



197 



