Roberto Henriques Fernando Bação Victor Sousa Lobo GeoSOM Suite: A Tool for Spatial Clustering. 453-466 2009 ICCSA (1) http://dx.doi.org/10.1007/978-3-642-02454-2_32 conf/iccsa/2009-1 db/conf/iccsa/iccsa2009-1.html#HenriquesBL09