@inproceedings{ICFP-2004-ColazzoGMS,
	author        = "Dario Colazzo and Giorgio Ghelli and Paolo Manghi and Carlo Sartiani",
	booktitle     = "{Proceedings of the Ninth International Conference on Functional Programming}",
	doi           = "10.1145/1016850.1016869",
	editor        = "Chris Okasaki and Kathleen Fisher",
	isbn          = "1-58113-905-5",
	pages         = "126--137",
	publisher     = "{ACM}",
	title         = "{Types for path correctness of XML queries}",
	year          = 2004,
}