TY  - BOOK
AU  - G.E. Dalton
TI  - Study of agricultural systems
SN  - 0-85334-640-2
U1  - 630.2 
PY  - 1975///
CY  - London
PB  - Allied  Science Publishers Ltd
N1  - G.E. Dalton: Study of agricultural systems.  London.  Allied  Science Publishers Ltd, 1975. 0-85334-640-2--(630.2DAL)
ER  -