TY  - BOOK
AU  - Chang, Kang-Tsung
TI  - Introduction to geographic information systems / 
SN  - 9780071086165
U1  - 910.285 
PY  - 2012///
CY  - New York : 
PB  - McGraw-Hill, 
KW  - Geographic information systems
KW  - India
ER  -