Bandyopadhyay, SanghamitraSaha, S2011-08-052011-08-052007Pattern Recognition, v.10, no.12, p.3430-3451http://hdl.handle.net/10263/2322enUnsupervised classificationGenetic algorithmPoint symmetry based distanceKd treeGAPS : a new symmetry based genetic clustering techniqueArticle