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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