Primack, Richard B.,  1950- <br/><br/>
A primer of conservation biology / 
Richard B. Primack 
 - 3rd ed. 
 - Sunderland, Mass. :  Sinauer Associates,  2004 
 - xiii p. :  ill. ;  23 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0878937285 (pbk.)  RM180.70 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Conservation biology