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urban wrakberg
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The centennial of S.A. Andrée's North Pole expedition
Urban Wråkberg · Royal Swedish Academy of Sciences
212 sayfa · 1999
Swedish / Balloon ascensions / Congresses / Aerial exploration / Andrée Polar Expedition (1897)
Vetenskapens vikingatåg
Urban Wråkberg · Kungl. Vetenskapsakademien, Centrum för Vetenskapshistoria
260 sayfa · 1999
Swedish / Research / Discovery and exploration / Scientific expeditions / Explorers
An Arctic passage to the Far East
Urban Wråkberg, Gunilla Lindberg-Wada · Royal Swedish Academy of Sciences, Center for History of Science
122 sayfa · 2002
Relations / Description and travel / Japanese imprints / Exploratie / Vega-expedition (1878-1880)