Phoneme recognition in continuous speech using large inhomogeneous hidden Markov models. - R. N. V. Sitaram; Thippur V. Sreenivas (ICASSP (1), 1994)

On incorporating phonemic constraints in hidden Markov models for speech recognition. - R. N. V. Sitaram; Thippur V. Sreenivas (EUROSPEECH, 1995)

Confidence measures in speech recognition based on probability distribution of likelihoods. - Joel Pinto; R. N. V. Sitaram (INTERSPEECH, 2005)