TY  - BOOK
AU  - Worboys,Michael
AU  - Duckham,Matt
TI  - GIS : a computing perspective
SN  - 9780415283755
U1  - 910.285 
PY  - 2004///
CY  - Boca Raton, Fla.
PB  - CRC Press
KW  - Geographic information systems
ER  -