Li, James. “A NOVEL THREE-STATE MODEL OF MARKOVIAN APPROACH TO RELIABILITY PREDICTION FOR PUBLIC TRANSIT TRAIN STSTEMS”. Journal of Reliability and Statistical Studies 7, no. 02 (December 1, 2014): 19–28. Accessed August 26, 2024. https://journals.riverpublishers.com/index.php/JRSS/article/view/21129.