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Journal Article The choice of a second order rotatable design Get access GEORGE E. P. BOX, GEORGE E. P. BOX University of Wisconsin Search for other works by this author on: Oxford Academic Google Scholar NORMAN R. DRAPER NORMAN R. DRAPER University of Wisconsin Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 50, Issue 3-4, December 1963, Pages 335–352, https://doi.org/10.1093/biomet/50.3-4.335 Published: 01 December 1963
Box et al. (Tue,) studied this question.