[1]
J. Gehrke, “Fridtjof Nansen: The Oceanography of the North Polar Basin. The Norwegian North Polar Expedition 1893—1896. Scientific Results Volume III No. IX. Fridtjof Nansen: On Hydrometers and the Surface Tension Of Liquids. The Norwegian North Polar Expedition 1893—1896. Scientific Results Volume III No. X”., gt, bd. 19, jan. 1908.