1. Box, G.E.P., Hunter, J.S. & Hunter, W.G. (2005) Statistics for Experiments 2nd ed., New York: Wiley.
2. Box, G.E.P., & Behnken, D. (1960) Some new three level designs for the study of quantitative variables. Technometrics, 2, 455–475.
3. Box, G.E.P. & Hunter, J.S. (1957) Multi-factor experimental designs for exploring response surfaces, The Annals of Mathematical Statistics, 28, 159-241.
4. Khuri, A.I. & Cornell, J.A. (1996) Response Surfaces, Designs and Analyses. 2nd ed. (New York, Marcel Dekker).
5. Fischer, E. (1908) Über den Hadamardschen Determinantensatz. Archiv Der Mathematik und Physik, 13, 32-40.