Sheila Garfield Stefan Wermter Siobhan Devlin Spoken language classification using hybrid classifier combination. 13-33 2005 2 Int. J. Hybrid Intell. Syst. 1 http://iospress.metapress.com/openurl.asp?genre=article&issn=1448-5869&volume=2&issue=1&spage=13 db/journals/ijhis/ijhis2.html#GarfieldWD05