Thuring, B. "The Automatic Programming Of Univac By The A-2 Compiler System" (German) p157

ECIP55 Fachtagung 'Elektronische Rechenmaschinen U (1956) ECIP55 Fachtagung 'Elektronische Rechenmaschinen Und Informationsverarbeitung' [Electronic Digital Computers And Information Processing] Darmstadt, Germany, October 25-27, 1955. Braunschweig, F. Vieweg, 1956.  

Languages mentioned A-2 {1953} UNIVAC compiler