Foraging behavior / 
edited by Alan C. Kamil, John R. Krebs and H. Ronald Pulliam 
 - New York :  Plenum Press,  1987. 
 - x, 676 p. :  ill. ;  25 cm. 
<br/><br/><label>ISBN: </label>0306424196 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Animals--Food--Congresses.