@inproceedings{DocEng-2009-PeroniV,
	author        = "Silvio Peroni and Fabio Vitali",
	booktitle     = "{Proceedings of the Ninth Symposium on Document Engineering}",
	doi           = "10.1145/1600193.1600232",
	isbn          = "978-1-60558-575-8",
	pages         = "171--180",
	publisher     = "{ACM}",
	title         = "{Annotations with EARMARK for arbitrary, overlapping and out-of order markup}",
	year          = 2009,
}