@InProceedings{harper-charniak:1986:ACL,
  author    = {Mary P. Harper  and  Eugene Charniak},
  title     = {Time and Tense in English},
  booktitle = {Proceedings of the 24th Annual Meeting of the Association for Computational Linguistics},
  month     = {July},
  year      = {1986},
  address   = {New York, New York, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {3--9},
  url       = {http://www.aclweb.org/anthology/P86-1003},
  doi       = {10.3115/981131.981134}
}