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15by Spender, Michael, Mathiassen, Therkel, Wegener, Kurt, Brockamp, Bernhard, Sorge, Ernst, Wolcken, Kurt, Peters, Hermann B., Loewe, Fritz, Wegener, Else, Georgi, JohannesGet access
Published in The Geographical Journal (1934)
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18by Mathiassen, Therkel, Richter, S.Get access
Published in Norsk Geografisk Tidsskrift - Norwegian Journal of Geography (1936)
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