@inproceedings{stromback-1995-user, title = "User-Defined Nonmonotonicity in Unification-Based Formalisms", author = "Stromback, Lena", booktitle = "33rd Annual Meeting of the Association for Computational Linguistics", month = jun, year = "1995", address = "Cambridge, Massachusetts, USA", publisher = "Association for Computational Linguistics", url = "https://preview.aclanthology.org/fix-sig-urls/P95-1009/", doi = "10.3115/981658.981667", pages = "63--69" }