@inproceedings{stromback-1992-unifying, title = "Unifying Disjunctive Feature Structures", author = "Stromback, Lena", booktitle = "{COLING} 1992 Volume 4: The 14th {I}nternational {C}onference on {C}omputational {L}inguistics", year = "1992", url = "https://preview.aclanthology.org/fix-sig-urls/C92-4185/" }