Bibliography

McConnell et al. 2018
J. McConnell, A. Wilson, A. Stohl, M. Arienzo, N. Chellman, S. Eckhardt, E. Thompson, M. Pollard, and J. Steffensen, ‘Lead pollution recorded in Greenland ice indicates European emissions tracked plagues, wars, and imperial expansion during antiquity’, Proceedings of the National Academy of Sciences 115, 22 (2018), pp. 5726–31