TY  - GEN
AU  - Lo, CP
AU  - Yeung, Albert KW
TI  - Concepts and techniques of geographic information systems
SN  - 9788120339149
U1  - 910.285 
PY  - 2014///
CY  - Delhi
PB  - PHI
KW  - Geographic information system
KW  - Geography
KW  - Gis Usage
ER  -