TY  - BOOK
AU  - Petrusewicz,Kazimierz
AU  - MacFadyen,A.
TI  - Productivity of terrestrial animals: principlesand methods 
SN  - 0632056703
PY  - 1970///
CY  - London
PB  - International Biological Programme
KW  - Biological productivity
KW  - Animal populations
N1  - Bibliography: p. 163-175
ER  -