TY  - BOOK
TI  - Precision agriculture in the 21st century: geospatial and information technologies in crop management
SN  - 9780309058933
U1  - 338.16 NRC 
PY  - 1997///
CY  - Washington D.C.
PB  - National Academy Press
KW  - agriculture
N1  - BIB
ER  -