@inproceedings{DLT-2005-KariKST,
	author        = "Lila Kari and Stavros Konstantinidis and Petr Sosík and Gabriel Thierrin",
	booktitle     = "{Proceedings of the Ninth International Conference on Developments in Language Theory}",
	doi           = "10.1007/11505877_26",
	isbn          = "3-540-26546-5",
	pages         = "296--307",
	publisher     = "{Springer International Publishing}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{On Hairpin-Free Words and Languages}",
	volume        = 3572,
	year          = 2005,
}