TY  - BOOK
AU  - Yeung, Albert K.W., Lo, C.P.
TI  - Concepts and Technique of geographic information systems
SN  - 8120322304
U1  - 910   
PY  - 2003///
CY  - New Delhi
PB  - Preintice Hall of India Pvt. Ltd.
KW  - Geography & Travel
KW  - Geographic information systems-Techniques
ER  -