@InProceedings{litman-allen:1984:ACL,
  author    = {Diane J. Litman  and  James F. Allen},
  title     = {A Plan Recognition Model for Clarification Subdialogues},
  booktitle = {Proceedings of the 10th International Conference on Computational Linguistics and 22nd Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {1984},
  address   = {Stanford, California, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {302--311},
  url       = {http://www.aclweb.org/anthology/P84-1063},
  doi       = {10.3115/980491.980554}
}