@inbook{Hirst19,
  author = "Graeme Hirst",
  chapter = "Reference and anaphor resolution in natural language processing",
  title = "The encyclopedia of language and linguistics",
  editor = "R.E. Asher",
  address = "Oxford",
  publisher = "Pergamon Press",
  year = "1994",
  volume = "7",
  pages = "3487--3489",
}