@inproceedings{AFL-2014-HolzerJ,
	author        = "Markus Holzer and Sebastian Jakobi",
	booktitle     = "{Proceedings of the 14th International Conference on Automata and Formal Languages}",
	doi           = "10.4204/EPTCS.151.19",
	pages         = "271--285",
	series        = "{EPTCS}",
	title         = "{More Structural Characterizations of Some Subregular Language Families by Biautomata}",
	volume        = 151,
	year          = 2014,
}