Henig, S.
(1960),
Determination of a general index of effort in sorting mail by conventional methods:, , National Institute of Standards and Technology, Gaithersburg, MD, [online], https://doi.org/10.6028/NBS.TN.54
(Accessed December 12, 2024)
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Determination of a general index of effort in sorting mail by conventional methods:
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- NBS TN 54
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NBS TN 54
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NIST Pubs
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Created January 1, 1960, Updated May 19, 2023