@inproceedings{SOSP-1979-LampsonS,
	author        = "Butler W. Lampson and Robert F. Sproull",
	booktitle     = "{Proceedings of the Seventh Symposium on Operating System Principles}",
	doi           = "10.1145/800215.806575",
	isbn          = "0-89791-009-5",
	pages         = "98--105",
	publisher     = "{ACM}",
	title         = "{An Open Operating System for a Single-User Machine}",
	year          = 1979,
}