@InProceedings{ingria:1990:ACL,
  author    = {Ingria, Robert J. P.},
  title     = {THE LIMITS OF UNIFICATION},
  booktitle = {Proceedings of the 28th Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1990},
  address   = {Pittsburgh, Pennsylvania, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {194--204},
  url       = {http://www.aclweb.org/anthology/P90-1025},
  doi       = {10.3115/981823.981848}
}