Glore, John B "Sorting nonredundant files—techniques used in the FACT compiler"

[ACM] CACM 6(05) May 1963 (1963) [ACM] CACM 6(05) May 1963 "Proceedings of ACM Sort Symposium, November 29, 30, 1962"  

Languages mentioned FACT {1958} Fully Automated Compiling Technique