TY  - BOOK
AU  - Friedrich,K.H.
TI  - Farm management data collection and analysis: an electronic data processing, storage and retrieval system 
T2  - FAO Agricultural Serrvices Bulletin
AV  - S565.7 F75 
PY  - 1977///
CY  - Rome
PB  - Food and Agriculture Organization of the United Nations
KW  - Farm management
KW  - Data processing
ER  -