TY  - BOOK
AU  - Davies,Nicholas B.
AU  - Krebs,John R.
TI  - An Introduction to Behavioural Ecology
SN  - 9781405114165
U1  - 591.51 
PY  - 1981///,2012
CY  - Hoboken, NJ
PB  - Wiley-Blackwell
ER  -