1. Barg, U.C., 1995. Guidelines for the Promotion of Environmental Management of Coastal Aquaculture Development. 0FAO Fisheries Technical Paper 328. FAO, Rome.
2. Metales pesados en los sedimentos de cinco sistemas de Ría (Ferrol, Burgo, Arousa, Pontevedra y Vigo;Barreiro;Thalassas,1988
3. Chemical forms of heavy metals in surface sediments of the San Simón inlet, Ría de Vigo, Galicia;Belzunce-Segarra;Journal of Environmental Science and Health,1997
4. Sedimentary pyrite formation;Berner;American Journal of Science,1970
5. Temporal trends of Cd, Cu, Hg, Pb and Zn in mussel (Mytilus galloprovincialis) from the Spanish North-atlantic coast 1991–1999;Besada;The Science of the Total Environment,2002