@inproceedings{HT-2001-Bjorneborn,
	author        = "Lennart Björneborn",
	booktitle     = "{Proceedings of the 12th Conference on Hypertext and Hypermedia}",
	doi           = "10.1145/504216.504252",
	pages         = "133--137",
	publisher     = "{ACM}",
	title         = "{Small-world linkage and co-linkage}",
	year          = 2001,
}