Rakesh GuptaPankaj KumarAmit GuptaCost benefit analysis of a two dissimilar unit cold standby system with Weibull failure and repair laws.327-33420134Int. J. Syst. Assur. Eng. Manag.4https://doi.org/10.1007/s13198-012-0091-zdb/journals/saem/saem4.html#GuptaKG13