Hardin, Garrett James. <br/><br/>
Biology :  its principles and implications / 
Garnett Hardin. 
 - 2nd ed. 
 - San Francisco :  W. H. Freeman,  c1966. 
 - viii, 771 p. :  ill. ;  26 cm. 
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology.