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DTSTART;TZID=Europe/Zurich:20260512T181500
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URL:https://www.infoclio.ch/en/more-causes-more-hypotheses-%E2%80%9Cpaleoth
 ermal-problem%E2%80%9D-around-1900
LOCATION:Unitobler and Zoom \,Bern
SUMMARY:The more causes\, the more hypotheses: The “paleothermal problem
 ”\naround 1900
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DTSTAMP:20260507T085011Z
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