References
- Box , G. E. P. , Hunter , W. G. , and Hunter , S. J. , Statistics for Experimenters, , John Wiley & Sons , New York , 1978 ..
- Mason , R. L. , Gunst, R. F., and Hess , J. L. , Statistical Design and Analysis of Experiments with Applications to Engineering and Science, , John Wiley& Sons, , New York , 1989.
- Montgomery , D. C , Design and Analysis of Experiments, , 3rd ed., John Wiley& Sons, New York , 1991 .