TY  - BOOK
AU  - Bernhardsen Tor
TI  - Geographic information systems:an introduction
SN  - 9788126511389 (pbk)
U1  - H:(9S), P2-;1 
PY  - 2002///
CY  - New Delhi
PB  - Wiley India     
KW  - Geology
N1  - References 414-416p.; Index 417-428p
ER  -