1. Software and its impact: a quantitative assessment;Boehm;Datamation,1973
2. A behavioral analysis of programming: on the frequency of syntactical errors;Boies,1972
3. A student project for an operating systems course;Czarnik,1973
4. User's manual for TOPPSII;Gannon,1973
5. Language design to enhance programming reliability;Gannon,1975