@book{Jensen-etal93-plnlp,
  editor	= {Jensen, K. and Heidorn, G. and Richardson, S.},
  year		= {1993},
  title		= {The paragraph as a semantic unit},
  booktitle	= {Natural Language Processing: the PLNLP Approach},
  publisher	= {Kluwer Academic},
  address	= {Boston}
}