1. Fundamental concepts and relations for reliability analysis of multistate systems;Murchland,1975
2. Use of three-valued logic for describing reliability of safety systems;Banfi;Am. Nucl. Soc. Trans.,1976
3. Multiple-valued logic in modeling nuclear safety systems and automated search for fault trees;Contini,1978
4. Coherent systems with multi-state components;Barlow;Math. Op. Res.,1978
5. Fault tree analysis of multi-state systems with multi-state components;Caldarola,1978