TY  - BOOK
AU  - BLACKIE, M. J
TI  - Information ststems for agriculture
U1  - 338. 102 85 B58I 
PY  - 1979///
PB  - London
KW  - AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATION SERVICES
KW  - AGRICULTURE -- ECONOMIC ASPECTS -- INFORMATI
KW  - FARM MANAGEMENT -- INFORMATION SERVICES
ER  -