1. Abe, S. (1977). The asymptotic exponential failure law for redundant repairable systems, II. Rep.Statist.Appl.Res.Un.Japan.Sci. Engin., 24, 15–39.
2. Affisoo, J. & A. Ghosal (1978). Approximation of waiting time in tandem queues through isomorphs-1. SCIMA, J.Manag.Sci.Appl.Cybern., 7, 55–68.
3. Agarwal, M. & A. Kumar (1980). A review of standby redundant systems. IEEE Trans.Reliab. R-29, 290–294.
4. Agarwal, M. & A. Kumar (1980). Steady-state analysis of a 2-unit standby system with inefficient and intermittent repair. IAPQR Trans., 5, 85–99.
5. Agarwal, M., R. Debabrata & A. Kumar (1978). Probability analysis of a two-unit standby redundant system with repair efficiency and imperfect switch-over. Intern.J.Systems Sci., 9, 731–742.