@inproceedings{STOC-1997-ArgeFGV,
	author        = "Lars Arge and Paolo Ferragina and Roberto Grossi and Jeffrey Scott Vitter",
	booktitle     = "{Proceedings of the 29th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/258533.258647",
	isbn          = "0-89791-888-6",
	pages         = "540--548",
	publisher     = "{ACM}",
	title         = "{On Sorting Strings in External Memory}",
	year          = 1997,
}