TY  - BOOK
AU  - Chakraborty,Debashis, Sahoo, Rabi N.
AU  - Purdon,Colin E.
TI  - Fundamentals of geographic information systems: x
SN  - 8130900416
U1  - 910/C426f 
PY  - 2007///
CY  - New Delhi
PB  - Viva Books
KW  - Geographic information systems
KW  - Geography
ER  -