The person charging this material is re- 

 sponsible for Its return to the library from 

 which It was withdrawn on or before the 

 Latest Date stamped below. 



Thef, mutilation, and underlining of books are reason. 



To renew call Telephone Center, 333-8400 



UN.VE.SITY OF UUNOIS ll.,>|„ „ UB.*N».CHA«P.,GN 



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 1991 



