Untersuchungen ©ơber das Dunkelsehen
Subtitle: mit Tscherning's photometrischen Gl©Þsern
By: von Hans Ulrik M©œller
Publisher: Arnold Busck
Published: 1929
Place of publication: Kj©ıbenhavn
Language: ger
Number of pages: 149
Notes: doctoral Copenhagen 1929.

Includes bibliography.