%0 Generic %T Proceedings of the Third Symposium on Operating Systems Principles at Stanford University, Palo Alto, California, October 18-20, 1971 %U https://ezaccess.libraries.psu.edu/login?url=http://portal.acm.org/toc.cfm?id=800212&coll=portal&dl=ACM&type=proceeding&idx=SERIES372&part=series&WantType=Proceedings&title=ACM%20Symposium%20on%20Operating%20Systems%20Principles