@inproceedings{STOC-1989-BroderKRU,
	author        = "Andrei Z. Broder and Anna R. Karlin and Prabhakar Raghavan and Eli Upfal",
	booktitle     = "{Proceedings of the 21st Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/73007.73059",
	isbn          = "0-89791-307-8",
	pages         = "543--549",
	publisher     = "{ACM}",
	title         = "{Trading Space for Time in Undirected s-t Connectivity}",
	year          = 1989,
}