TY  - BOOK
AU  - Cox,George W.
AU  - Atkins,Michael D.
TI  - Agricultural ecology: an analysis of world food production systems 
SN  - 0716710463
U1  - 630 
PY  - 1964///
CY  - San Francisco, CA
PB  - Freeman, 
KW  - ECOLOGIA
ER  -