@inproceedings{ECDL-2006-SaidisPND,
	author        = "Kostas Saidis and George Pyrounakis and Mara Nikolaidou and Alex Delis",
	booktitle     = "{Proceedings of the 10th European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/11863878_11",
	isbn          = "3-540-44636-2",
	pages         = "123--134",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Digital Object Prototypes: An Effective Realization of Digital Object Types}",
	volume        = 4172,
	year          = 2006,
}