Elsasser, Walter M.,  1904- <br/><br/>
The chief abstractions of biology / 
W. M. Elsasser. 
 - Amsterdam :  American Elsevier Pub. Co.,  1975. 
 - 261 p. ;  23 cm. 
<br/><br/>Includes index and bibliography 
<br/><br/><label>ISBN: </label>0444107932 (American Elsevier) :  fl 46.80 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology--Philosophy.
<br/><br/><label>Dewey Class. No.: </label>570  / ELC 1975