@inproceedings{ICEIS-v4-2003-CostaOS,
	author        = "Carlos M. A. Costa and José Luís Oliveira and Augusto Silva",
	booktitle     = "{Proceedings of the Fifth International Conference on Enterprise Information Systems, Volume 4}",
	pages         = "190--196",
	title         = "{A New User-Oriented Model to Manage Multiple Digital Credentials}",
	year          = 2003,
}