Publications
 
 (1995).  The Challenge of Spoken Language Systems: Research Directions for the Nineties.  
IEEE Transactions on Speech and Audio Processing. 3(1), 1-21.
 
 (1972).  A Survey of Grammatical Inference.  
Proceedings of the International Congress on Pattern Recognition.  
 
 (1972).  A Survey of Grammatical Inference.  
 
 
 (1972).  On the Synthesis of Finite-State Machines from Samples of Their Behavior.  
IEEE Transactions on Computers. C-21(6), 592-596.

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