Fischer, Hans Ludwig; Raulefs,Peter "Design Rationale for the Interactive Programming Language CSSA" pp111-124

6th GI-Workshop: Programming Languages and Program (1980) 6th GI-Workshop: Programming Languages and Program Development, Informatik Fachberichte, Vol. 25, Springer-Verlag, 1980  

Languages mentioned CSSA {1979} Application language for INCAS