Kopetz, Hermann "On the implementation of an interactive system on a small computer" pp2-4

[SIGPLAN] (1971) SIGPLAN Notices 6(11) November 1971 Special issue on AMTRAN (Automatic Mathematical TRANslation)  

Languages mentioned 1130 Amtran {1969} Amtran on the 1130 AMTRAN 70 {1969} Automatic Mathematical Translator