Pervasive Arctic lead pollution suggests substantial growth in Medieval silver production modulated by plague, climate and conflict

McConnell, J. R., Chellman, N. J., Wilson, A. I., (2019). Pervasive Arctic lead pollution suggests substantial growth in Medieval silver production modulated by plague, climate and conflict, Proc. Natl. Acad. Sci. U.S.A., 116 (30), 14910-14915, 10.1073/pnas.1904515116