TY  - BOOK
ED  - Food and Agriculture Organization of the United Nations.
TI  - Report on the agro-ecological zones project
AV  - S591S589.7 .W875 no. 48
U1  - 630/.2/745096�19 
PY  - 1978///-
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Agricultural ecology
N1  - v. 3. Methodology and results for South and Central America
ER  -