1. 2009-03-18 [1] [OSGeo-Announce] Barcelona to host FOSS4G conference osgeo-ann OSGeo 2. 2009-03-09 [1] [OSGeo-Announce] FOSS4G 2009 Call for Abstracts osgeo-ann OSGeo 3. 2009-03-02 [1] [OSGeo-Announce] FOSS4G 2009: One week extension to W osgeo-ann OSGeo