Boussard, J. C. "An ALGOL compiler: construction and use in relation to an elaborate operating system" pp179-182

[ACM] (1966) [ACM] CACM 9(03) March 1966 includes proceedings of the ACM Programming Languages and Pragmatics Conference, San Dimas, California, August 1965  

Languages mentioned Algol 62 {1962} Algol 60 for IBSYS