TY  - BOOK
AU  - Lack, David,
TI  - The natural regulation of animal numbers
AV  - QL751 .L3
U1  - 591.52 
PY  - 1954///
CY  - Oxford
PB  - Clarendon Press
KW  - Animal populations
KW  - Bird populations
N1  - "The discussion is based mainly on birds."; Includes bibliographical references and index
ER  -