Jong-Wuu Wu Hsiu-Mei Lee Chia-Ling Lei Computational testing algorithmic procedure of assessment for lifetime performance index of products with two-parameter exponential distribution. 116-125 2007 190 Applied Mathematics and Computation 1 http://dx.doi.org/10.1016/j.amc.2007.01.010 db/journals/amc/amc190.html#WuLL07a