@inproceedings{LICS-2007-Bojanczyk,
	author        = "Mikolaj Bojanczyk",
	booktitle     = "{Proceedings of the 22nd IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2007.51",
	isbn          = "0-7695-2908-9",
	pages         = "121--130",
	publisher     = "{IEEE Computer Society}",
	title         = "{Two-way unary temporal logic over trees}",
	year          = 2007,
}