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), pp. 243–252. Available at: https://revistas.ucm.es/index.php/JIGE/article/view/JIGE0808220243A (Accessed: 14 November 2024).