TY  - BOOK
AU  - Macfadyen, A.
AU  - Petrusewicz, K.
TI  - Productivity of terrestrial animals: principles and methods
T2  - IBP handbook
U1  - 591.7 21st ed.
PY  - 1970///
CY  - London
PB  - International Biological Programme
KW  - Animals
KW  - Demography
KW  - Ecology
KW  - Ecosystems
KW  - Population distribution
ER  -