TY  - GEN
AU  - Korte, George B
TI  - The GIS book: updated and expanded
SN  - 9788131503997
U1  - 910.285 
PY  - 2001///
CY  - New Delhi
PB  - Cengage
KW  - Geographic Information Systems
KW  - Geography
KW  - GIS
ER  -