John Sirigos Nikos Fakotakis George Kokkinakis A hybrid ANN/HMM syllable recognition module based on vowel spotting. 1999 EUROSPEECH http://www.isca-speech.org/archive/eurospeech_1999/e99_1119.html conf/interspeech/1999 db/conf/interspeech/eurospeech1999.html#SirigosFK99