@inproceedings{RTA-2004-CarmeNT,
	author        = "Julien Carme and Joachim Niehren and Marc Tommasi",
	booktitle     = "{Proceedings of the 15th International Conference on Rewriting Techniques and Applications}",
	doi           = "10.1007/978-3-540-25979-4_8",
	editor        = "Vincent van Oostrom",
	isbn          = "3-540-22153-0",
	pages         = "105--118",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Querying Unranked Trees with Stepwise Tree Automata}",
	volume        = 3091,
	year          = 2004,
}