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1st International Polar Year (1882–1883)
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29
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2nd International Polar Year (1932–1933)
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31 29 37
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Aeroarctic
1
Alfred Wegener
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Antarctica
1
Dichloroxid
1
German Geophysical Observatory
1
Graf Zeppelin
1
Greenland
1
Hans Kurt Erich Krueger
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Herbert Schröder-Stranz
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Historia
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History
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Humaniora
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Humanities
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Millimeterwelle
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Radiometer
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Spitzbergen
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Stratosphäre
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Svalbard
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Wilhelm Filchner
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arctic
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chlorine monoxide
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ddc:29
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environmental physics
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ggo
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microwave radiometry
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norway
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