@inproceedings{STOC-1977-LeongS,
	author        = "Benton L. Leong and Joel I. Seiferas",
	booktitle     = "{Proceedings of the Ninth Annual ACM Symposium on Theory of Computing}",
	doi           = "10.1145/800105.803414",
	pages         = "239--248",
	publisher     = "{ACM}",
	title         = "{New Real-Time Simulations of Multihead Tape Units}",
	year          = 1977,
}