TY  - BOOK
AU  - C P La
AU  - Albert K W Yeung
TI  - Concepts and Techniques of Geographic Information Systems
SN  - 0000080359
U1  - 910 
PY  - 2009///
CY  - New Delhi
PB  - PHI
KW  -  Geographic
KW  -  Information
KW  -  Systems
KW  -  Techniques
KW  - Concepts
KW  - Geography and travel(910)
ER  -