Primack ,Richard B <br/><br/>
A primer of conservation biology / 
Primack ,Richard B. 
 - 4th ed 
 - Sunderland:  Sinauer Associates,  2008. 
 - 349p;24cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>978 0 87893 692 
<br/><br/><label>Dewey Class. No.: </label>333.9516 PRI