1. Common-mode failures in redundancy systems;Watson;Nucl. Technol.,1979
2. CSNI (Committee on the Safety of Nuclear Installations), Task Force on rare Events, research Sub-Group on Common-Mode Failures Final Report Summary, NCSR, UKAEA, Culcheth (No date).
3. A study of common-mode failures;Edwards,1979
4. Common cause failures and systems interactions issues — An overview;Worledge,1985