TY  - BOOK
AU  - Erle, Schuyler
AU  - Gibson, Rich
AU  - Walsh, Jo
TI  - Mapping hacks: tips & tools for electronic cartography
SN  - 9780596007034
U1  - 506.0285 Er53m 
PY  - 2005///
CY  - Beijing
PB  - O'Reilly 
KW  - Geographic Information Systems
KW  - Digital mapping
ER  -