Khatab, A., Nahas, N. and Nourelfath, M. (2009) Availability of k-out-of-n: G Systems with Non Identical Components Subject to Repair Priorities. Reliability Engineering & System Safety, 94, 142-151.
 Fathabadi, H.S. and Khodaei, M. (2012) Reliability Evaluation of Network Flows with Stochastic Capacity and Cost Constraint. International Journal of Mathematics in Operational Research, 4, 439-452.
 Khalili-Damghani, K. and Amiri, M. (2012) Solving Binary-State Multi-Objective Reliability Redundancy Allocation Seriesparallel Problem Using Efficient Epsilon Constraint, Multi-Start Partial Bound Enumeration Algorithm, and DEA. Reliability Engineering and System Safety, 103, 35-44.
 Khalili-Damghani, K., Abtahi, A.R., and Tavana, M. (2013) A New Multi-Objective Particle Swarm Optimization Method for Solving Reliability Redundancy Allocation Problems. Reliability Engineering and System Safety, 111, 58-75.
 Wang, K.-H., Yen, T.-C. and Fang, Y.-C. (2012) Comparison of Availability between Two Systems with Warm Standby Units and Different Imperfect Coverage. Quality Technology and Quantitative Management, 9, 265-282
 Srinivasan, S.K. and Subramanian, R. (2006) Reliability Analysis of a Three Unit Warm Standby Redundant System with Repair. Annals of Operations Research, 143, 227-235. http://dx.doi.org/10.1007/s10479-006-7384-z
 Singh, V.V., Singh, B., Mangeyram and Goel, C.K. (2010) Availability Analysis of a System Having Three Units Super Priority, Priority and Ordinary under Peemmptive Resume Repair Policy. International Journal of Reliability and Applications, 11, 41-53.
 Singh, V.V. and Rawal, D.K. (2011) Availability Analysis of a System Having Two Units in Series Configuration with Controller and Human Failure under Different Repair Policies. International Journal of Scientific and Engineering Research, 2, 1-9.
 Yusuf, I. (2013) Comparison of Some Reliability Characteristics between Redundant Systems Requiring Supporting Units for Their Operation. Journal of Mathematical and Computational Sciences, 3, 216-232.
 Yusuf, I. (2014) Comparative Analysis of Profit between Three Dissimilar Repairable Redundant Systems Using Supporting External Device for Operation. Journal of Industrial Engineering International, 10, 2-9.
 Wang, K.H. and Kuo, C.C. (2000) Cost and Probabilistic Analysis of Series Systems with Mixed Standby Components. Applied Mathematical Modelling, 24, 957-967.
 Wang, K., Hsieh, C. and Liou, C. (2006) Cost Benefit Analysis of Series Systems with Cold Standby Components and a Repairable Service Station. Journal of Quality Technology and Quantitative Management, 3, 77-92.