{"id":"001530622","type":"article","title":"The copper axe blade of Zug-Riedmatt (Canton of Zug, Switzerland) - a key to chronology and metallurgy in the second half of the fourth millennium BC","publisher":"Deutsche Gesellschaft für Ur- und Frühgeschichte","publisher-place":"Köln","pages":"213-227","container-title":"Archäologische Informationen, 40 (2017","author":[{"family":"Gross","given":"Eda"}],"issued":{"raw":"2017"}}