@InProceedings{heidorn:1982:ACL,
  author    = {George E. Heidorn},
  title     = {Experience with an Easily Computed Metric for Ranking Alternative Parses},
  booktitle = {Proceedings of the 20th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1982},
  address   = {Toronto, Ontario, Canada},
  publisher = {Association for Computational Linguistics},
  pages     = {82--84},
  url       = {http://www.aclweb.org/anthology/P82-1015},
  doi       = {10.3115/981251.981270}
}