@incollection{Nirenburg-etal87,
  author	= {Nirenburg, Sergei and Raskin, V. and Tucker, A.},
  editor	= {Nirenburg, Sergei},
  year		= {1987},
  title		= {The structure of Interlingua in TRANSLATOR},
  booktitle	= {Machine Translation: Theoretical and Methodological Issues},
  publisher	= {Cambridge University Press},
  address	= {Cambridge}
}