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♦ ¹PRELIMINARY REPORT FROM A COMPARATIVE STUDY OF THE DIET OF FOUR GADOID FISHES IN A FJORD OF WESTERN NORWAY, A.G. Vea Salvanes, International Council for the Exploration of the Sea, C.M. 1986/G: 71, Demersal Fish Committee
♦ ²Ontogenetic dietary shift and feeding strategy of Raja undulata Lacepède, 1802 (Chondrichthyes: Rajidae) on the Portuguese continental shelf, Teresa Moura, Ivone FigueIredo, Inês Farias, Bárbara Serra-Pereira, Ana Neves, Maria de Fátima Borges and Leonel Serrano Gordo, Scientia Marina 72(2) June 2008, 311-318