@inproceedings{HT-1997-CalviB,
	author        = "Licia Calvi and Paul De Bra",
	booktitle     = "{Proceedings of the Eighth Conference on Hypertext}",
	cdrom         = "HT1997/P224.pdf",
	doi           = "10.1145/267437.267470",
	isbn          = "0-89791-866-5",
	pages         = "224--225",
	publisher     = "{ACM}",
	title         = "{Improving the Usability of Hypertext Courseware through Adaptive Linking}",
	year          = 1997,
}