Villee, Claude Alvin,  1917- <br/><br/>
Biology / 
Claude A. Villee 
 - 6th ed. 
 - Philadelphia :  W. B. Saunders,  1972 
 - 915 p. ;  24 cm. 
<br/><br/><label>LCCN: </label>77-173344 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology