@inproceedings{HT-2004-FalquetNZ,
	author        = "Gilles Falquet and Luka Nerima and Jean-Claude Ziswiler",
	booktitle     = "{Proceedings of the 15th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/1012807.1012815",
	isbn          = "1-58113-848-2",
	pages         = "24--25",
	publisher     = "{ACM}",
	title         = "{Towards digital libraries of virtual hyperbooks}",
	year          = 2004,
}