On Stochastic Coherent Systems -- Multistate Systems in Reliability Theory -- Improving Fail-Safe Characteristics of Multivalued-Output Systems through the use of Redundancy -- Discrete Replacement Models -- Analytical Considerations on Inspection Policies -- Reliability and Preventive Maintenance of a Two-Unit Standby Redundant System with Different Failure Time Distributions -- Reliability and Maintainability of a Multicomponent Series-Parallel System with Simultaneous Failure under Preemptive Repeat Repair Discipline -- Performance/Reliability Modeling for Multi-Processor Systems with Computational Demands -- Nonhomogeneous Error Detection Rate Models for Software Reliability Growth -- Inflection S-Shaped Software Reliability Growth Model -- Optimal Replacement Policy for Components in a Coherent System under Jump Deterioration -- An Optimal Inspection and Replacement Policy of a Markovian Deterioration System -- An Optimal Inspection and Replacement Policy under Incomplete State Information: Average Cost Criterion -- Application of Markovian Decision Theory to the Problem of Highway Maintenance