Biermann, Ludwig "Survey of Computer Developments at Gottingen. Applications of the G1 and G2" (German)

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 G1 {1954} Gottingen macro-assembler/autocode G2 {1955} Gottingen initial orders and assembly system G2 {1955} Gottingen initial orders and assembly system