TY  - GEN
AU  - C P Lo
AU  - Albert K. W. Yeung
TI  - Concepts and Techniques of Geographic Information Systems
SN  - 9788120322301
U1  - 910.285 22
PY  - 2002///
CY  - New Delhi
PB  - Prentice Hall of India
KW  - Travel
N1  - History and Geography
ER  -