Redell, David D.; Dalal, Yogen K.; Horsley, Thomas R.; Lauer, Hugh C.; Lynch, William C.; McJones, Paul R.; Murray, Hal G.; Purcell, Stephen C. "Pilot: an operating system for a personal computer"

[ACM] (1980) [ACM] CACM 23(02) February 1980  

Languages mentioned Mesa {1977} XPARC Algol dialect