@inproceedings{DLT-2012-KutribMW,
	author        = "Martin Kutrib and Andreas Malcher and Matthias Wendlandt",
	booktitle     = "{Proceedings of the 16th International Conference on Developments in Language Theory}",
	doi           = "10.1007/978-3-642-31653-1_20",
	isbn          = "978-3-642-31652-4",
	pages         = "214--225",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{States and Heads Do Count for Unary Multi-head Finite Automata}",
	volume        = 7410,
	year          = 2012,
}