@InProceedings{stromback:1995:ACL,
  author    = {Lena Stromback},
  title     = {User-Defined Nonmonotonicity in Unification-Based Formalisms},
  booktitle = {Proceedings of the 33rd Annual Meeting of the Association for Computational Linguistics},
  month     = {June},
  year      = {1995},
  address   = {Cambridge, Massachusetts, USA},
  publisher = {Association for Computational Linguistics},
  pages     = {63--69},
  url       = {http://www.aclweb.org/anthology/P95-1009},
  doi       = {10.3115/981658.981667}
}