@incollection{Partee72,
  author	= {Partee, Barbara H.},
  editor	= {Davidson, D. and Harman, G.},
  year		= {1972},
  title		= {Opacity, Coreference, and Pronouns},
  title		= {Semantics of Natural Language},
  publisher	= {Reidel},
  address	= {Dordrecht}
}