TY  - BOOK
AU  - Demers, Michael N
TI  - Fundamentals of geographic information systems 
SN  - 9788126537211
U1  - 910.285 
PY  - 2009///
CY  - New Delhi
PB  - Wiley
KW  - Geographic information systems
KW  - Geography
KW  - GIS
ER  -