TY  - BOOK
AU  - Longhorn, Roger A 
AU  - Blakemore, Michael 
TI  - Geographic Information: Value, Pricing, Production and Consumption 
SN  - 9780849334146
U1  - 910.285 
PY  - 2008///
CY  - New York
PB  - CRC Press
KW  - Geographic Information System 
ER  -