TY  - BOOK
T1  - The natural regulation of animal numbers.
DA  - 1954.
CY  - Oxford,
AU  - Lack, David,
CN  - QL751
CN  - QL751
PB  - Clarendon Press,
PP  - Oxford,
PY  - 1954.
N1  - "The discussion is based mainly on birds."
ID  - 61127
KW  - Animal populations.
KW  - Bird populations.
TI  - The natural regulation of animal numbers.
ER  -