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Heritage Science
Fig. 7 | Heritage Science

Fig. 7

From: The interaction of water with archaeological and ethnographic birch bark and its effects on swelling, shrinkage and deformations

Fig. 7

Sorption isotherms of archaeological birch barks recovered from different contexts: material S is the Neolithic Schnidejoch bow case preserved in ice, material B is from a Neolithic waterlogged tree excavated at the Burgäschisee, Switzerland and material P from an iron age ceiling of a tumulus of the Pazyryk culture found in permafrost soil in Berel, Kazakhstan Republic

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