Gupta, R. ., P. . Phartyal, and O. . Belwal. “STOCHASTIC ANALYSIS OF AN AIR CONDITION COOLING SYSTEM MODEL”. Journal of Reliability and Statistical Studies, vol. 4, no. 1, June 2011, pp. 95-106, https://journals.riverpublishers.com/index.php/JRSS/article/view/22003.