WebCast sobre PostGIS, OGC y Sistemas de referenciaOGC SFS by Frank Warmerdam, Ingres Geospatial by Andrew Ross, Coordinate Systems by Frank Warmerdam#geomaticblog#video#osgeo#postgis#OGC·virtualvernisage.com·Mar 15, 2010WebCast sobre PostGIS, OGC y Sistemas de referencia