A. Jirayusakul Surapong Auwatanamongkol A supervised growing neural gas algorithm for cluster analysis. 129-141 2007 4 Int. J. Hybrid Intell. Syst. 2 http://iospress.metapress.com/openurl.asp?genre=article&issn=1448-5869&volume=4&issue=2&spage=129 db/journals/ijhis/ijhis4.html#JirayusakulA07