Malik, S. ., R. . Bhardwaj, and A. . Grewal. “PROBABILISTIC ANALYSIS OF A SYSTEM OF TWO NON-IDENTICAL PARALLEL UNITS WITH PRIORITY TO REPAIR SUBJECT TO INSPECTION”. Journal of Reliability and Statistical Studies, vol. 3, no. 01, June 2010, pp. 1-11, https://journals.riverpublishers.com/index.php/JRSS/article/view/22037.