TY  - BOOK
AU  - Jain, Ravi Kumar B. Saxena, Pragathi ed.
TI  - Geographic information system : an introduction
SN  - 9788131407257
U1  - 003  JAI;1  R 
PY  - 2007///
CY  - Hyderabad
PB  - Icfai
KW  - Geographic,information
ER  -