@inproceedings{STOC-1973-Cook,
	author        = "Stephen A. Cook",
	booktitle     = "{Proceedings of the Fifth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800125.804032",
	pages         = "29--33",
	publisher     = "{ACM}",
	title         = "{An Observation on Time-Storage Trade Off}",
	year          = 1973,
}