@InProceedings{pereira:1991:ACL,
  author    = {Fernando C. N. Pereira},
  title     = {FINITE-STATE APPROXIMATION OF PHRASE STRUCTURE GRAMMARS},
  booktitle = {Proceedings of the 29th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1991},
  address   = {Berkeley, California, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {246--255},
  url       = {http://www.aclweb.org/anthology/P91-1032},
  doi       = {10.3115/981344.981376}
}