@inproceedings{JCDL-2011-FreireJ,
	author        = "Nuno Freire and Andreas Juffinger",
	booktitle     = "{Proceedings of the 11th Joint Conference on Digital Libraries}",
	doi           = "10.1145/1998076.1998109",
	isbn          = "978-1-4503-0744-4",
	pages         = "167--174",
	publisher     = "{ACM}",
	title         = "{Using national bibliographies for rights clearance}",
	year          = 2011,
}