1. Borja, A., Franco, J., Valencia, V., Uriarte, A., Castro, R., 2001. Red de vigilancia y control de la calidad de las aguas litorales del Paı́s Vasco: otoño 1999-verano 2000. UTE AZTI-LABEIN. Departamento de Ordenación del Territorio, Vivienda y Medio Ambiente del Gobierno Vasco, 430 pp. + annexes. Unpublished report
2. Biological monitoring of ambient water quality: the case for using bivalves as sentinel organisms for monitoring petroleum pollution in coastal waters;Burns;Estuarine, Coastal and Shelf Science,1981
3. Comparison of results of mussel watch programs of the United States and France with worldwide Mussel Watch studies;Cantillo;Marine Pollution Bulletin,1998
4. The Mussel Watch;Goldberg;Environmental Conservation,1978
5. US long-term coastal contaminant temporal trends determined from mollusk monitoring programs, 1965–1993;Lauenstein;Marine Pollution Bulletin,1998