@inproceedings{WilliamsReiter03,
  author	= {Williams, S. and Reiter, E.},
  title		= {A corpus analysis of discourse relations for Natural Language Generation},
  year		= {2003},
  booktitle	= {Proceedings of Corpus Linguistics},
  URL		= {http://www.csd.abdn.ac.uk/$~$ereiter/papers/cl2003w.pdf},
  pdf		= {http://www.csd.abdn.ac.uk/$~$ereiter/papers/cl2003w.pdf}
}