TY  - BOOK
AU  - Chang, Kang-tsung
AU  - Kang-tsung chang
TI  - Introduction geographic information systems
SN  - 9780070658981
U1  - 910.285 
PY  - 2008///
CY  - Noida
PB  - Tata Mcgrowhill
KW  - geographic information systems
ER  -