TY  - BOOK
AU  - Blackie, M.J.
AU  - Dent, J.B.
TI  - Information systems for agriculture
SN  - 9789401167390
U1  - 338.1 22
PY  - 1979///
CY  - London
PB  - Applied Science Publishers
KW  - Agriculture
KW  - Economic aspects
KW  - Information services
ER  -