@incollection{Sidner78,
  author	= {Sidner, Candace L.},
  editor	= {Waltz, David L},
  year		= {1978},
  title		= {The use of focus as a tool for disambiguation of definite noun phrases},
  booktitle	= {Theoretical Issues in Natural Language Processing 2; TINLAP 2},
  pages		= {86--95},
  note		= {(University of Illinois at Urbana-Champaign, 25-27 July 1978)},
  publisher	= {Association for Computing Machinery}
}