Stock, Marylene and Stock, Karl F. "Bibliography of Programming Languages: Books, User Manuals and Articles from PLANKALKUL to PL/I" Verlag Dokumentation, Pullach/Munchen 1973
(1973)
Languages mentioned
473L Query {1969} 666 Query language for Air Force 473L system
90-PAC {1961} 668 Report generation package for the IBM 7090