@inproceedings{HT-1999-BraHW,
	author        = "Paul De Bra and Geert-Jan Houben and Hongjing Wu",
	booktitle     = "{Proceedings of the 10th Conference on Hypertext and Hypermedia}",
	cdrom         = "HT1999/P147.pdf",
	doi           = "10.1145/294469.294508",
	pages         = "147--156",
	publisher     = "{ACM}",
	title         = "{AHAM: A Dexter-Based Reference Model for Adaptive Hypermedia}",
	year          = 1999,
}