Challenging biological problems :  directions toward their solution / 
John A. Behnke, editor ; editorial committee, Harlyn O. Halvorson, Carl P. Swanson and William G. Van der Kloot. 
 - New York :  Oxford University Press,  1972. 
 - x, 502 p. : 
<br/><br/> "The American Institute of Biological Sciences 25th anniversary volume." 
<br/><br/><label>ISBN: </label>019501619X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>577.8  / Ch