Theoretical systems ecology  advances and case studies 
edited by Efraim Halfon 
 - New York  Academic Press  1979 
 - xvi, 516 p.  : ill.  ; 24 cm. 
<br/><br/>Includes bibliographies and index 
<br/><br/><label>ISBN: </label>0123187508 
<br/><br/><label>LCCN: </label>78-27014 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Mathematical models