TY  - BOOK
AU  - MASSER,LAN
AU  - BLAKEMORE
TI  - HANDING GEOGRAPHICAL INFORMATION: METHODOLAGY AND POLENTIAL APPRLICATIONS / 
U1  - 910.285 
PY  - 1994///
CY  - [S.N] : 
PB  - LONGMAN SINGAPORE PUBLISHERS ، 
KW  - GEOGRAPHIC INFORMATION SYSTEMS
ER  -