1. Aitchison, J., & Dunsmore, I. R. (1975). Statistical prediction analysis. Cambridge: Cambridge University Press.
2. Anderson, T. W. (2003). An introduction to multivariate statistical analysis (3rd ed.). New York: Wiley.
3. Atwood, C. L., & Ryan, T. A., Jr. (1977). A class of tests for lack of fit to a regression model. Unpublished manuscript.
4. Box, G. E. P., & Draper, N. R. (1987). Empirical model-building and response surfaces. New York: Wiley.
5. Box, G. E. P., Hunter, W. G., & Hunter, J. S. (1978). Statistics for experimenters. New York: Wiley.