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Beschreibung

The author explores the effects of condensation and evaporation as they relate to the success of a beehive. The results of various experiments and the author's thoughts are given. (Summary by SoMDbeekeeper)

Dauer: etwa eine Stunde (01:26:46)
Veröffentlichungsdatum: 25.08.2014; Copyright Year: 1917. Copyright Statment: —

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