Unterricht und ermüdung : ermüdungsmessungen an schülern des Neuen gymnasiums in Darmstadt / von dr. Ludwig Wagner.

  • Wagner, Ludwig, 1892-
Date:
1898

Licence: Public Domain Mark

Credit: Unterricht und ermüdung : ermüdungsmessungen an schülern des Neuen gymnasiums in Darmstadt / von dr. Ludwig Wagner. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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