1. Anderson, T. W. (2003).An Introduction to Multivariate Statistical Analysis.3rdedition. John Wiley & Sons, New York.
2. Czitrom, V., Spagon, P. D. (1997).Statistical Case Studies for Industrial Process Improvement.Philadelphia, PA: Society for Industrial and Applied Mathematics; Alexandria, VA: American Statistical Association.
3. Houck, C. R., Joines, J. A., Kay, M. G. (1995). A genetic algorithm for function optimization: a Matlab implementation.NCSU-IE Technical Report, 95–09.
4. Kapur, K. C. (1987). Quality loss function and inspection.Proceeding of TMI, Quality Control, Innovations in Quality: Concepts and Applications, Detroit, MI.
5. Kapur, K. C. and Wang, D. J. (1987). Economic design of specifications based on Taguchi’s concept of quality loss function.Proceeding of American Society of Mechanical Engineers, Winter Annual Meeting, Boston, MA.