@inproceedings{LICS-2005-BarceloL,
	author        = "Pablo Barceló and Leonid Libkin",
	booktitle     = "{Proceedings of the 20th IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2005.51",
	isbn          = "0-7695-2266-1",
	pages         = "31--40",
	publisher     = "{IEEE Computer Society}",
	title         = "{Temporal Logics over Unranked Trees}",
	year          = 2005,
}