@inproceedings{HT-2001-Nelson,
	author        = "Theodor Holm Nelson",
	booktitle     = "{Proceedings of the 12th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/504216.504281",
	pages         = "261--262",
	publisher     = "{ACM}",
	title         = "{ZigZag (Tech briefing)}",
	year          = 2001,
}