TY  - BOOK
AU  - PIERCE Francis J
AU  -  CLAY David
TI  - GIS application in agriculture
T2  - GIS Application in Agriculture Series
SN  - 13:9780849375262
U1  - U672(J):(D6,9(B), P7/TD 
PY  - 2007///
CY  - Boca Raton 
PB  - CRC Press        
KW  - Geography
N1  - Bibliography chapterwise
ER  -