1. Addelman, S. (1969). “The generalized randomized block design”. In: The American Statistician 23.4, pp. 35–36.
2. Bates, D. et al. (2015). “Fitting linear mixed-effects models using lme4”. In: Journal of Statistical Software 67.1, pp. 1–48.
3. Cochran, W. G. and G. M. Cox (1957). Experimental Designs. John Wiley & Sons, Inc.
4. Cox, D. R. (1984). “Interaction”. In: International Statistical Review 52, pp. 1–31.
5. de Gonzalez, A. and D. R. Cox (2007). “Interpretation of interaction: a review”. In: The Annals of Applied Statistics 1.2, pp. 371–385.