Ice-core evidence of earliest extensive copper metallurgy in the Andes 2700 years ago

• Main Authors: Kellerhals, T., Tobler, L., Schwikowski, Margit, Rehren, Th., Eichler, A., Gramlich, Gabriela
• Format: Article in Journal/Newspaper
• Language: English
• Published: Nature Publishing Group 2017
• Subjects: 570 Life sciences; biology; 540 Chemistry; ice core
• Online Access: https://dx.doi.org/10.7892/boris.96854; https://boris.unibe.ch/96854/