Geographic information systems.

Overview
Works: 253 works in 89 publications in 89 languages
Titles
Journal on Data Semantics III by: (Language materials, printed)
Google Maps Mashups with Google Mapplets by: (Language materials, printed)
GIS and crime mapping / by: (Language materials, printed)
Open Source GIS = A GRASS GIS Approach / by: (Language materials, printed)
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