@inproceedings{LATA-2013-ZakS,
	author        = "Stanislav Zák and Jirí Síma",
	booktitle     = "{Proceedings of the Seventh International Conference on Language and Automata Theory and Applications}",
	doi           = "10.1007/978-3-642-37064-9_50",
	isbn          = "978-3-642-37063-2",
	pages         = "570--578",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{A Turing Machine Distance Hierarchy}",
	volume        = 7810,
	year          = 2013,
}