MANN, A. W.; SYLVESTER, G. C. Distribution of gold and silver in European soils; evidence for a Roman footprint?. Archaeologia Polona, [S. l.], v. 53, p. 311–315, 2015. Disponível em: https://journals.iaepan.pl/apolona/article/view/337. Acesso em: 4 may. 2024.