TY  - BOOK
AU  - Clay David E.
AU  -  Shanahan John F., 
TI  - GIS Applications in Agriculture. Vol. 2
SN  - 1-4200-9270-7
U1  - 621.3678 
PY  - 2015///
CY  - Boca Raton
PB  - CRC Press
N1  - Clay David E. & Shanahan John F.: GIS Applications in Agriculture. Vol. 2.  Boca Raton.  CRC Press, 2015. 1-4200-9270-7--(621.3678CLA)
ER  -