TY  - BOOK
AU  - Clay David E
AU  - Shanahan John F
TI  - GIS Applications in Agriculture
SN  - 9781420092707
U1  - 631.81 CLY 
PY  - 2011///
CY  - London
PB  - CRC Press
KW  -  Agricultural Mapping
KW  -  Agriculture
KW  -  Clay David
KW  -  Geographic Information System
KW  -  Plants
KW  - GIS Applications
ER  -