LüNGENGASWECHSEL IN VERSCHIEDENEN ALTERSSTUFEN. 



379 



03 Ol CM 



i^ O lO 



03 cc cc 



lO OD CO QC 

 = t- t- CC 



fr- SM CO 



_- ^ J] C 



^ sm oj 55 



*~5 



r; x t- 

 . — - o sm 



■-. X X X 



■^ lC fr- fr- 



X X t- 



C «5 N N 



ö cc oö 



Iß 



M 

 Iß 



O r£3 



— 



ec3 



o 



GO 



fcß 



a w 



o 



-* 



nn 



00 



fr» 



c- 



o 



fr- 



.n 



CM 





H 



o 



o 



© 



•* 



<* 



*-H 



»o 



IQ 



l» 



<M 



X 



LS 



lO 



^ - 



so 



co 



eo 



85 



CC 





c-> 





o 



o 



■* 



■* 



-* 



TJH 



X 



tH 



o 



r4 



r _. 



- 



t- 



er 







iH 



o 



iO 



cjd 



cc 



CD 



est 



CJ 







<M 



CM 



<n 



->* 



** 



-* 



lO 



05 



«3 



00 



fr- 



X 



X 



es es 



00 X 



1- 



iß 



f-l 



cö 

 H-5 



S^ 



X 



1 



1 





1 



N 



cc 



Ä 



«* 







— 1 



rH 



O 



© 



c 



© 



■* 



xH 



** 



-* 



iO 



o 



ifi 



iß 



CR 



r— 



" 



S© 



C 



t* 



SR 



© 



CC 



cc 



Tl 



SO 



CO 



tH 



X 



■-H 



CO 



00 



c- 



l> 



cc 



cc 



ec 



SO 



o 



,_! 



© 



rH 



I- 



^ 



x 



>o 



co 



r— 



lO 



so 









r-l 



fr- 



<N 



cc 



H 



i- 



r— 



,_J 



53 



er; 



o 



o 



© 





01 



SM 



(M 



cc 



CO 



in 



Ä 



-*■ 



IN 



CO 



H 



X 



X 



fr- 



OD 



-* 



■* 



K 



»* 



CC 



cc 



CC 



eo 



cc 



M 



T. 



ac 



1—1 



1—1 



01 



H 



^ 



-T 



** 



tH 



© 



»n 



1— 



c- 



-r 



cc 



T. 



so 



r- 



o 



CO 



oo 



■* 



U0 



— 



-H 









CD 



q 



Gl 



© 



,fl 



lO 



-* 



iQ 



CO 



CC 







> 



C3 



00 



£ 



" 



CC 



rH 

























— 









© 



,_; 



-* 





T— 1 



— 



r " 1 





„ 



00 



© 





CM 



CM 



CO 





CC 



CC 



CO 





O Th O lO © 



CO CO CO CO CO 



,—1 CO CO CO lO 



© 



01 



lO 



<M 



CM 



50 



£ 



cc 



CO 



sc 



CO 





fr- 

 ee 



00 



cc 



fr- 

 TM 



CO 



c^ 



CM 



SO 



CO 



cc 



7T 



cc 



ec 



CC 



so 





»O CM CM CM CC 



lO fr- lO -<*l 00 



o o o> w co 



CM CM i-l- CM t-i 



CO 



cö 

 1-5 



O0 

 CM 



Ol CO ->* CM ^* 



C3 UC CO CO CO 

 lO lO UC -* 1 ^ 

 CM CM CM CM CM 



fr- CO fr- C75 00 



© © © 



CO CO CO 



CM CM CO 



CO CC CO 



00 

 cö 



g 



s 



M 



-* fr- fr- — 1 © 



fr- lO CO fr- CO 



-> 



CC 



o 



oo 



Tl 



© 



H 



fr- 



CO 



X 



— 



CO 



r* 



01 



CO 



(N 



CC 



CO 



so 



~ 



-t 



-f 



CO 



© 



iH 



-f- 



-1- 



fr- 



"tf 



>-l 



OO 



cc 



-* 



ee 



cc 



"f 



50 



fr- fr- fr- fr- fr- 



w fr- as in 



t— t- CD CO 



CO H H H 



cd 



1-3 



© 



CM 



X CO Oi 





X 



X 



X 



Q0 



fH 











:C3 











er 











O) 











Tl 



© 



cc 



fr- 



et 



cc 



CO 



-* 



— 



CM 



eö 



PI 



CO 



CO 



CO 



SO 











H^ 



^ 



o 



ec 



CO 



fr- 



so 

 © 



HH 



-t 



■* 



ee 



•* 



1 — 1 













cc 



X 



CO 



u» 





1 - 



cc 



-+ 



QO 





cc 



05 



a.) 



so 





lO 



-+ 



o 



lO 











<D 





cc 



■^ 



- 



^3 





>o 



■o 



co 



o 



5° 



CO 













>fi 











m 







cc 





00 





















t> 



c: 



r 







© 



:i 



CD 







'.-1 



CN 



CM 







<35 



CC 



CA 





S CM 



