@incollection{HirschmannSager86,
  author	= {Hirschmann, L. and Sager, N.},
  editor	= {Grishman, R. and Kittredge, R.},
  year		= {1986},
  title		= {Discovering Sublanguage Structures},
  booktitle	= {Analyzing Langauge in Restricted Domains: Sublanguage Decription and Processing},
  pages		= {211--234},
  publisher	= {Lawrence Erlbaum},
  address	= {Hillsdale, New Jersey}
}