TY  - BOOK
AU  - Subhah Mehtani
AU  - Amarjit Sinha
TI  - Geographical information systems
SN  - 9788131102121
U1  - 910.028 5 
PY  - 2010///
CY  - New Delhi
PB  - Commonwealth
KW  - Geographic Information Systems
KW  - Geography
ER  -