{"id":"000045905","type":"article","title":"Der Beginn des Westharzer Bergbaus auf Silber und die Schaffung der Otto-Adelheid-Pfennige (OAP)","publisher":"Selbstverl.","publisher-place":"[Wieda","author":[{"family":"Jörn","given":"Erhard"}],"issued":{"raw":"1997"}}