1. The statistical analysis of variance‐heterogeneity and the logarithmic transformation;Bartlett M. S.;Journal of the Royal Statistical Society, Series B,1946
2. The scientific context of quality improvement;Box G. E. P.;Quality Progress,1987
3. An Analysis for Unreplicated Fractional Factorials
4. Finding defining generators with extreme lengths;Cheng S. W.;Journal of Statistical Planning and Inference,2003