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Journal Article A comparison of some sequential designs Get access N. E. DAY N. E. DAY The Australian National University Search for other works by this author on: Oxford Academic Google Scholar Biometrika, Volume 56, Issue 2, August 1969, Pages 301–311, https://doi.org/10.1093/biomet/56.2.301 Published: 01 August 1969
N. E. Day (Wed,) studied this question.