@inproceedings{SIGMOD-1977-LohmanM,
	author        = "Guy M. Lohman and John A. Muckstadt",
	booktitle     = "{Proceedings of the Seventh ACM SIGMOD International Conference on Management of Data}",
	cdrom         = "SIGMOD77/P157.PDF",
	doi           = "10.1145/509404.509429",
	pages         = "157",
	publisher     = "{ACM}",
	title         = "{Optimal Policy for Batch Operations: Backup, Checkpointing, Reorganization, and Updating}",
	year          = 1977,
}