References/Notes/Attributions:
Source
Yates, F. (1935) Complex experiments, Journal of the Royal Statistical Society Suppl. 2, 181–247.
Also given in Yates, F. (1970) Experimental design: Selected papers of Frank Yates, C.B.E, F.R.S. London: Griffin.
References
Venables, W. N. and Ripley, B. D. (2002) Modern Applied Statistics with S. Fourth edition. Springer.