@inproceedings{Elhadad90-types,
  author	= {Elhadad, Michael},
  year		= {1990},
  title		= {Types in Functional Unification Grammars},
  booktitle	= {Proceedings of the 28th. Annual Meeting of the Association for Computational Linguistics},
  pages		= {157--164},
  publisher	= {Association for Computational Linguistics},
  address	= {University of Pittsburgh, Pennsylvania}
}