by Snedecor G W | Cochran W G | Snedecor G W.
by Snedecor | Cochran, W G | Snedecor, G W | Cochran W G | George W | Snedecor.
by Snedecor G W | Snedecor G W.
by Snedecor, G W | Cochran, W G | Snedecor, G W.
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