2012 International Conference on Quality, Reliability, Risk, Maintenance, and Safety Engineering Quality, Reliability, Risk, Maintenance, and Safety Engineering (ICQR2MSE), 2012 International Conference on. :282-285 Jun, 2012
2009 IEEE International Conference on Grey Systems and Intelligent Services (GSIS 2009) Grey Systems and Intelligent Services, 2009. GSIS 2009. IEEE International Conference on. :1309-1315 Nov, 2009