TY  - BOOK
AU  - Edited by .Krebs,J.R;Davies,N.B;
TI  - Behavioural Ecology: An Evolutionary Approach
SN  - 0865427313
U1  - 591.51BEH 1997 
PY  - 1997///
CY  - USA.
PB  - Blackwell Sciences.
KW  - Biology
N1  - includes references and index
ER  -