@inproceedings{LICS-2010-PlaceS,
	author        = "Thomas Place and Luc Segoufin",
	booktitle     = "{Proceedings of the 25th Annual IEEE Symposium on Logic in Computer Science}",
	doi           = "10.1109/LICS.2010.17",
	isbn          = "978-0-7695-4114-3",
	pages         = "253--262",
	publisher     = "{IEEE Computer Society}",
	title         = "{Deciding Definability in FO2(<) (or XPath) on Trees}",
	year          = 2010,
}