Krebs, J. R. <br/><br/>
An introduction to behavioral ecology 

 - Oxford:  Blackwell,  1981. 
 - x,292p.:  ill.;  24cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution
<br/><br/><label>LC Class. No.: </label>QH366.2.K7