Periodic variations in efficiency : as shown in mental and physical tests, together with some weather effects / by Archibald G. Peaks.

  • Peaks, Archibald G. (Archibald Garfield), 1880-1918.
Date:
1921
Catalogue details

Licence: In copyright

Credit: Periodic variations in efficiency : as shown in mental and physical tests, together with some weather effects / by Archibald G. Peaks. Source: Wellcome Collection.

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    Med K39944 lasr HFrt