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The weapons of the glacier mummy of the chalcolithic "Man from the Hauslabjoch" (i.e. the "Tyrolean Iceman", nicknamed "Oetzi") contained traces of organic adhesives, obviously used to fix parts of his weapons (i.e., the flintstone arrowheads and the copper hatchet) to their respective shafts. In order to prove whether or not these adhesives might be birch bark pitches similar to some other organic materials found in Central and Northern Europe, model pitches were prepared from a large numberdoi:10.3998/ark.5550190.0001.507 fatcat:ylvnw5l3dncczjczsoq7o3u3ba