@incollection{Fry:99,
  author	= {Fry, John},
  editor	= {Dalrymple, Mary},
  title		= {Proof Nets and Negative Polarity},
  pages		= {91--116},
  booktitle	= {Semantics and Syntax in {Lexical Functional Grammar}},
  publisher	= {MIT Press},
  year		= {1999}
}