Berryman, Alan A. (Alan Andrew),  1937- <br/><br/>
Population systems :  a general introduction / 
Alan A. Berryman 
 - New York :  Plenum Press,  1981 
 - xv, 222 p. ill. 24 cm 
 - Population ecology .
<br/><br/>Includes bibliographical references and indexes 
<br/><br/><label>LCCN: </label>80-26167 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Population biology