@inproceedings{HT-2001-Whitehead,
	author        = "E. James Whitehead Jr.",
	booktitle     = "{Proceedings of the 12th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/504216.504265",
	pages         = "195--204",
	publisher     = "{ACM}",
	title         = "{Design spaces for link and structure versioning}",
	year          = 2001,
}