1. The Eden system: A technical review;Almes;IEEE Trans. Software Engrg.,1985
2. Fault Tolerance, Principles and Practice;Anderson,1981
3. On the implementation of N-version programming for software fault-tolerance during execution;Avizienis,1977
4. Fault tolerance by design diversity;Avizienis;Computer,1984
5. The Design of the UNIX Operating System;Bach,1986