Marine mammal bycatch in Spanish Mediterranean large pelagic longline fisheries, with a focus on Risso’s dolphin (Grampus griseus)David Macías López, Salvador García Barcelona, José Carlos Báez, José Miguel De la Serna and José María Ortiz de UrbinaAquat. Living Resour., 25 4 (2012) 321-331DOI: https://doi.org/10.1051/alr/2012038