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https://tobias-lib.ub.uni-tuebingen.de/xmlui/handle/10900/51674 Large scale smelting of speiss and arsenical copper at Early Bronze Age Arisman, Iran https://vargasdespeiss.art/ Home - Maria Consuelo Vargas de Speiss mariaconsuelovargasde https://pubchem.ncbi.nlm.nih.gov/compound/Residues_-copper-speiss-acid-leaching Residues, copper speiss acid leaching - PubChem Residues, copper speiss acid leaching chemical information summary. residuescopperacidleachingpubchem