TY  - BOOK
AU  - Prithvish Nag
AU  - Smita Sengupta 
TI  - Geographical information system: concepts and business opportunities 
SN  - 81-8069-435-6
U1  - 910.285 
PY  - 2007///
CY  - New Delhi
PB  - Concept
KW  - Geographical information system-India
KW  - GIS
KW  - Geographical information system-Economic aspects- India
N1  - Includes index
ER  -