Affiliation: | 1. Unité d’Economie Maritime, UMR AMURE, IFREMER, Plouzané Cedex, France 2. Institut de Ciències del Mar, CSIC, Barcelona, Spain 3. Institute for the Protection and Security of the Citizen, Joint Research Centre, European Commission, Ispra, VA, Italy 4. Dpt. Administración de Empresas, Universidad de Cantabria, Santander, Spain
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