Krebs, Charles J. <br/><br/>
Ecology :  the experimental analysis of distribution and abundance / 
Charles J. Krebs 
 - New York :  Harper & Row,  1972 
 - 694 p. :  ill. ;  25 cm. 
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<br/><br/><label>ISBN: </label>0060437707 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Ecology--Methodology<br/>Population biology--Methodology<br/>Biogeography--Methodology