TY  - BOOK
AU  - Colin , Jean Philippe 
AU  - Crawford , Eric W. 
TI  - Research on agricultural systems accomplishments, perspectives & issues
SN  - 9781560728269
U1  - 631 
PY  - 2001///
CY  - New York
PB  - Nova Science Publishers Inc
KW  - AGRICULTURE
KW  - AGRICULTURE SYSTEMS
ER  -