1. Reliability engineering: probabilistic models and maintenance methods;Nachlas,2005
2. Reliability analysis with linguistic data: an evidential network approach;Zhang;Reliab Eng Syst Saf,2017
3. 2008 Sichuan earthquake. https://en.wikipedia.org/wiki/2008_Sichuan_earthquake; 2008. [accessed 21-September-2016].
4. The unruly power grid;Fairley;IEEE Spectr,2004
5. Heavy rain hit Beijing. http://www.bbc.com/news/world-asia-china-36852886; 2016. [accessed 21-September-2016].