@inproceedings{LICS-1990-DorreR,
	author        = "Jochen Dörre and William C. Rounds",
	booktitle     = "{Proceedings of the Fifth Annual Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.1990.113756",
	isbn          = "0-8186-2073-0",
	pages         = "300--310",
	publisher     = "{IEEE Computer Society}",
	title         = "{On Subsumption and Semiunification in Feature Algebras}",
	year          = 1990,
}