@inproceedings{RTA-2006-Hoffman,
	author        = "Piotr Hoffman",
	booktitle     = "{Proceedings of the 17th International Conference on Term Rewriting and Applications}",
	doi           = "10.1007/11805618_7",
	editor        = "Frank Pfenning",
	isbn          = "3-540-36834-5",
	pages         = "81--95",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Unions of Equational Monadic Theories}",
	volume        = 4098,
	year          = 2006,
}