@incollection{Gutierrez-Rexach:Schwenter:02,
  author	= {Gutiérrez-Rexach, Javier and Schwenter, Scott A.},
  editor	= {Gutiérrez-Rexach, Javier},
  title		= {Propositional {NPI}s and the Scalar Nature of Polarity},
  booktitle	= {From Words to Discourse. Trends in Spanish Semantics and Pragmatics},
  publisher	= {Elsevier Science},
  address	= {Oxford, New York},
  year		= {2002},
  pages		= {237--262}
}