Das Problem des Schlafs.; Biologische und psychophysiologisch betrachtet.

Wiesbaden: Bergmann, 1912. hardcover. 13 text figures. 89 pages. Slim, tall 8vo, blue cloth. Wiesbaden: Bergmann, 1912. Very good (+). very good(+).

The problem of sleep in plants and animals.

Price: $30.00

Item #12181

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