@inproceedings{STOC-1991-KarloffRR,
	author        = "Howard J. Karloff and Yuval Rabani and Yiftach Ravid",
	booktitle     = "{Proceedings of the 23rd Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/103418.103450",
	isbn          = "0-89791-397-3",
	pages         = "278--288",
	publisher     = "{ACM}",
	title         = "{Lower Bounds for Randomized k-Server and Motion Planning Algorithms}",
	year          = 1991,
}