TY  - BOOK
AU  - Chang, Kang-tsung
TI  - Introduction to geographic information systems / 
SN  - 9780070658981
U1  - 910.285 23
PY  - 2008///
CY  - New Delhi : 
PB  - Tata McGraw-Hill
KW  - Geographic Information Systems
N1  - includes index
ER  -