Krebs, J.R. Davies N.B.  <br/><br/>
An Introduction to behavioural ecology 
/ by J.R. Krebs and N.B. Davies  
 - 2nd Edition. 
 - Oxford :  Blackwell Scientific Publications,  1981. 
 - ix, 389 p. :  pictorials, graphs ; 
<br/><br/><label>ISBN: </label>0632014989 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animal behavior; Animal ecology; Behavior evolution.
<br/><br/><label>Dewey Class. No.: </label>591.51 KRE