1. Fault tolerant programming;Elmendorf,1972
2. Parallel programming;Gilb;Datamation,1974
3. Distinct software: an approach to reliable computing;Fischler,1975
4. Fault-tolerance and fault-intolerance: complementary approaches to reliable computing;Avizienis,1975
5. Application of a methodology for the development and validation of reliable process control software;Ramamoorthy;IEEE Trans. Soft. Eng.,1981