 Levinson, S. E. 

 Levinson, S. E. (L. R. Rabiner, S. E. Levinson and M. M. Sondhi)  On the Application of Vector Quantization and Hidden Markov Models to SpeakerIndependent, Isolated Word Recognition  April 1983 
 Levinson, S. E. (S. E. Levinson, L. R. Rabiner and M. M. Sondhi)  An Introduction to the Application of the Theory of Probabilistic Functions of a Markov Process to Automatic Speech Recognition  April 1983 
