@incollection{Kittredge82,
  author	= {Kittredge, R.},
  editor	= {Kittredge, R. and Lehrberger, J.},
  year		= {1982},
  title		= {Variation and Homogeneity of Sublanguages},
  booktitle	= {Sublanguage: Studies of language in restricted semantic domains},
  pages		= {107--137},
  publisher	= {de Gruyter},
  address	= {Berlin and New York}
}