TY  - BOOK
AU  - Dalton,Graham Eyre
TI  - Study of agricultural systems
U1  - 630 
PY  - 1975///
CY  - London
PB  - Applied Science Publishers
KW  - Agriculture
KW  - System analysis
N1  - "The proceedings of an international symposium held in the Department of Agriculture and Horticulture, University of Reading."
ER  -