TY  - BOOK
AU  - Lo, Chor Pang
AU  - Yeung,Albert K.W.
TI  - Concepts and techniques of Geographic Information Systems
SN  - 9789332581883
U1  - 910.285 
PY  - 2007///
CY  - New Delhi
PB  - Pearson India education Services
KW  - Geography & travel
N1  - Includes appendix,index
ER  -