León, I, G Méndez, and B Rubio. 2004. “Geochemical Phases of Fe and Degree of Pyritization in Sediments from Ría De Pontevedra (NW Spain): Implications of Mussel Raft Culture”. Ciencias Marinas 30 (4):585-602. https://doi.org/10.7773/cm.v30i4.340.