1. D. C. Montgomery, Introduction to Statistical Quality Control, 2nd ed., New York: Wiley, 1991.
2. R. V. Hogg and A. T. Craig, Introduction to Mathematical Statistics, 4th ed., New York: McMillan, 1998.
3. S. R. Calabro, Reliability Principles and Practices, New York: McGraw-Hill, 1962.
4. G. J. Hans and S. S. Shapiro, Statistical Models in Engineering, New York: Wiley, 1967.
5. P. A. Tobias and D. Trindade, Applied Reliability, New York: Van Nostrand Reinhold, 1986.