References
- Anderson T. W. Chapter 6 in Introduction to Multivariate Statistical Analysis. Wiley. 1958
- Cooley W. W., Lohnes P. R. Chapter 6 in Multivariate Procedures for Behav ioral Sciences. Wiley. 1962
- Biometrical Computer Program, W. J. Dixon. University of California Press. 1967
- Kendall M. G., Stuart A. Chapter 44 in. The Advanced Theory of Statistics 1966; 3, Griffin
- Wilks S. S. Section 18.7. Mathematical Statistics. Wiley. 1962