Gerking, Shelby D.  1918- <br/><br/>
Biological systems / 
Shelby D. Gerking 
 - Philadelphia :  W. B. Saunders,  1969 
 - xiv, 480 p. :  ill. ;  27 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label> USD 8.95 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574