GERKING, Shelby D. <br/><br/>
Biological systems / 
[by] Shelby D Gerking 
 - Philadelphia  W.B. Saunders  1969 
 - xiv, 480 p. 
<br/><br/> Includes glossary & index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>570  / GER