TY  - BOOK
AU  - David Lack
TI  - Ecological adaptations for breeding in birds
U1  - 598 
PY  - 1968///
CY  - London
PB  - Methuen & Co Limited
N1  - David Lack: Ecological adaptations for breeding in birds.  London.  Methuen & Co Limited, 1968.--(598LAC)
ER  -