Proceedings of the ACM/CSC-ER annual conference Atlanta, Georgia, United States 1973

• Evans, Victoria Gehman (1973) Evans, Victoria Gehman "Sigma 5 Fortran language processor for the Computer Design Language, FIT version I" pp428-429
• Foley, J. D., (1973) Foley, J. D., "Software for Satellite Graphics Systems" pp76-80