Gerking, Shelby D. <br/><br/>
Biological systems / 
Shelby D. Gerking 
 - Philadelphia:   W.B. Saunders,   1969. 
 - xiv,480p. 
 - Saunder's International student edition .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>574.1 G28B