TY  - BOOK
AU  - Chang,Kang-Tsung
TI  - Introduction to Geographic Information Systems
SN  - 9780078095139
U1  - 910.285 CHA 
PY  - 2014///
CY  - New Delhi
PB  - Mc Graw Hill 
UR  - http://www.amazon.com/exec/obidos/ASIN/B000Q15F3U/chopaconline-20
ER  -