Appearance of an enigmatic Pb source in South America around 2000 BP:Anthropogenic vs natural origin Authors: Kamenov, G.D.; Escobar, J.; Arnold, T.E.; Pardo-Trujillo, A.; Gangoiti, G.; Hoyos, N.; Curtis, J.H.; Bird, B.W.; Velez, M.I.; Vallejo, F.; Trejos-Tamayo, R. Year: 2020 Journal: Geochimica et Cosmochimica Acta Volume: 276 Initial page - Ending page: 122 - 134 DOI: 10.1016/j.gca.2020.02.031
