@inproceedings{STOC-1996-KellererTW,
	author        = "Hans Kellerer and Thomas Tautenhahn and Gerhard J. Woeginger",
	booktitle     = "{Proceedings of the 28th Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/237814.237989",
	isbn          = "0-89791-785-5",
	pages         = "418--426",
	publisher     = "{ACM}",
	title         = "{Approximability and Nonapproximability Results for Minimizing Total Flow Time on a Single Machine}",
	year          = 1996,
}