'Wco 

 = 00 



VWv 



'CD 

 it*- 



CO 



mm 



Please HANDLE with 

 EXTREME CARE 



This volume is 



BRITTLE 



and cannot be repaired! 



Photocopy only if necessary 



Return to staff- not in bookdrop 



GERSTEIN SCIENCE INFORMATIONCENTRE 



when finished, retie with the black tape 





'$&*% 

 - »£»* 



