@incollection{SRIChapter,
  author	= {Walker, D. E.},
  editor	= {Lea, W. A.},
  year		= {1980},
  title		= {SRI Research on Speech Understanding},
  booktitle	= {Trends in Speech Recognition},
  chapter	= {13},
  publisher	= {Prentice-Hall},
  address	= {Englewood Cliffs, NJ}
}