@inproceedings{STOC-1985-BollobasS,
	author        = "Béla Bollobás and István Simon",
	booktitle     = "{Proceedings of the 17th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/22145.22171",
	pages         = "224--231",
	publisher     = "{ACM}",
	title         = "{On the Expected Behaviour of Disjoint Set Union Algorithms}",
	year          = 1985,
}