Krebs, J R . <br/><br/>
Behavioural Ecology: an Evolutinary Approach /  Textual Documents 
J R Krebs & N B Davies. 
 - 2nd ed / 
 - London :  Blackwell Scientific Publication ,  1984. 
 - 493 p :  ill ;  24 cm . 
<br/><br/><label>ISBN: </label> HB 
<br/><br/><label>Subjects--Index Terms: </label>Zoology T/G-Zoology