{"id":"000282913","type":"book","title":"Investigation on the distribution of metallic elements in copper slag, copper matte and copper and comparison with samples from prehistoric smalting places","pages":"360-375","container-title":"Proceedings of the 18th International Symposium on Archaeometry and Archaeological Prospection, Bonn 14 - 17 March 1978","author":[{"family":"Zwicker","given":"U."}]}