Korelace obsahu olova v Grónském ledovci a obsahu stříbra v římské minci s historií Středomoří. Upraveno podle J. R. McConnell et al., Lead pollution recorded in Greenland ice indicates European emissions tracked plagues, wars, and imperial expansion during antiquity, PNAS May 29, 2018. 115 (22) 5726-5731; published ahead of print May 14, 2018. https://doi.org/10.1073/pnas.1721818115

Korelace obsahu olova v Grónském ledovci a obsahu stříbra v římské minci s historií Středomoří. Upraveno podle J. R. McConnell et al., Lead pollution recorded in Greenland ice indicates European emissions tracked plagues, wars, and imperial expansion during antiquity, PNAS May 29, 2018. 115 (22) 5726-5731; published ahead of print May 14, 2018. https://doi.org/10.1073/pnas.1721818115