@inproceedings{HT-2001-ZellwegerBJM,
	author        = "Polle Zellweger and Niels Olof Bouvin and Henning Qin Jehøj and Jock D. Mackinlay",
	booktitle     = "{Proceedings of the 12th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/504216.504224",
	pages         = "9--18",
	publisher     = "{ACM}",
	title         = "{Fluid annotations in an open world}",
	year          = 2001,
}