1. The Theory and Applications of Reliability;Muth,1977
2. Statistical Theory of Reliability and Life Testing;Barlow,1981
3. Mean residual life: theory and applications;Guess;Handbook of Statistics,1988
4. Bathtub distribution: review;Rajarshi;Commun Stat-Theor Methods,1988
5. Chapter 3 of Handbook of Statistics;Lai,2001