TY  - BOOK
AU  - Lo, C. P.
AU  - Yeung, Albert K. W. 
TI  - Concepts and techniques of geographic information systems
T2  - PH Series in Geographic Information Science
SN  - 9788120339149
U1  - 910.285 
PY  - 2007///
CY  - New Delhi
PB  - PHI learning
KW  - Geographic information systems (GIS)
KW  - Data Processing
KW  - Digital Terrain Modeling
ER  -