TY  - BOOK
AU  - Krebs,J.R.
AU  - Davies,N.B.
TI  - Behavioural ecology: an evolutionary approach 
SN  - 0865427313
AV  - QL751 .B345 1997
U1  - 591.5/1 20
PY  - 1997///
CY  - Cambridge, Mass.
PB  - Blackwell Science
KW  - Animal behavior
KW  - Animal ecology
KW  - Evolution
N1  - Includes bibliographical references (p. 396-445) and index
ER  -