@inproceedings{ECDL-2005-NajjarKVD,
	author        = "Jehad Najjar and Joris Klerkx and Riina Vuorikari and Erik Duval",
	booktitle     = "{Proceedings of the Ninth European Conference on Research and Advanced Technology for Digital Libraries}",
	doi           = "10.1007/11551362_29",
	isbn          = "3-540-28767-1",
	pages         = "323--335",
	publisher     = "{Springer}",
	series        = "{Lecture Notes in Computer Science}",
	title         = "{Finding Appropriate Learning Objects: An Empirical Evaluation}",
	volume        = 3652,
	year          = 2005,
}