...
Basurco, B., & Larrazabal, G. (2000). "Marine fish farming in Spain." CIHEAM--Options Mediterraneennes, 30, 45-56.
EarthTrends: Country Profiles: Coastal and Marine Ecosystems—Spain. Retrieved November 7, 2007, from University of Washington, Fisheries-Oceanography Library Web Site: http://www.lib.washington.edu/fish/subjects/fishstat.html#international
Ministerio de Agricultura, Pesca y Alimentacion. (2002). Fisheries in Spain. Madrid, Spain: Jose Ortega.
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