TY  - BOOK
TI  - Agriculture and the environment: the 1991 yearbook of agriculture
AV  - S589.75 A37 
PY  - 0000///[Date of publication not identified]
CY  - [Place of publication not identified]
PB  - [Publisher not identified]
KW  - Agriculture
KW  - Environmental aspects
N1  - Includes index
ER  -