Prego, R., Ferro, P., and Trujillo, C. 2008. Lead and Zinc contamination of surface sediments in the main harbours of the Galician Rias. Journal of Iberian Geology 34, 2, 243–252. Retrieved March 11, 2026 from https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0808220243A