@article{WRLA-2008-HassN09,
	author        = "Lars Helge Haß and Thomas Noll",
	doi           = "10.1016/j.entcs.2009.05.017",
	journal       = "{Electronic Notes in Theoretical Computer Science}",
	number        = 3,
	pages         = "139--154",
	title         = "{Equational Abstractions for Reducing the State Space of Rewrite Theories}",
	volume        = 238,
	year          = 2009,
}