@incollection{Zwarts:97,
  author	= {Zwarts, Frans},
  editor	= {Hamm, Fritz and Hinrichs, Erhard W.},
  title		= {{Three Types of Polarity}},
  booktitle	= {{Plurality and Quantification}},
  pages		= {177--237},
  publisher	= {Kluwer Academic Publishers},
  address	= {Dordrecht},
  year		= {1997}
}