@inproceedings{SOSP-1971-Varney,
	author        = "R. C. Varney",
	booktitle     = "{Proceedings of the Third Symposium on Operating System Principles}",
	doi           = "10.1145/800212.806507",
	pages         = "106--108",
	publisher     = "{ACM}",
	title         = "{Process Selection in an Hierarchical Operating System}",
	year          = 1971,
}