@inproceedings{Daradoumis93,
  author	= {Daradoumis, T.},
  year		= {1993},
  title		= {Managing Interruptions in Tutorial Dialogues by Means of an Extended RST-based Model},
  booktitle	= {World Conference on Artificial Intelligence in Education},
  pages		= {121--128},
  address	= {Edinburgh},
}