TY  - BOOK
AU  - Krebs, J. R
AU  - Davies, N. B
TI  - An introduction to behavioural ecology
SN  - 9780632035465
U1  - 591.51 KRE 
PY  - 1993///
CY  - Cambridge, MA
PB  - Blackwell Scientific Publications
KW  - Animal behavior
ER  -