@inproceedings{TenbrinkSchilder2001-bidialog,
  author	= {Tenbrink, Thora and Schilder, Frank},
  year		= {2001},
  title		= {(Non)temporal concepts conveyed by before, after, and then in dialogue},
  booktitle	= {Proceedings of BIDIALOG 2001},
  pages		= {228--238}
}