@incollection{Garvey79,
  author	= {Garvey, C.},
  editor	= {Ochs, E. and Schieffelin, B.},
  title		= {Contingent Queries and Their Relations in Discourse},
  year		= {1979},
  title		= {Propositions across Utterances and Speakers},
  booktitle	= {Developmental Pragmatics},
  publisher	= {Academic Press},
  address	= {New York},
  pages		= {363--372}
}