@inproceedings{Gazdar83,
  title = {Phrase Structure Grammars and Natural Languages},
  author = {Gerald Gazdar},
  year = {1983},
  tags = {grammar},
  researchr = {https://researchr.org/publication/Gazdar83},
  cites = {0},
  citedby = {0},
  pages = {556-565},
  booktitle = {IJCAI},
}