TY  - BOOK
AU  - Petrusewicz,K  .
AU  - Macfadyen ,A  .
TI  - Productivity of terrestrial animals principles and methods / 
T2  - IBP Handbook ;no.13, 
U1  - 577 
PY  - 1970///
CY  - Oxford  : 
PB  - Blackwell Publishers , 
KW  - TERRESTRIAL ANIMALS
N1  - Includes bibliography and index
ER  -