F. Serena, Field identification guide to the sharks and rays of the Mediterranean and Black Sea. FAO Fischery purposes. ISBN 92-5-105291-3. ISSN 1020-6868 (WC ·ACNP)
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F. Serena, Field identification guide to the sharks and rays of the Mediterranean and Black Sea. FAO Fischery purposes. ISBN 92-5-105291-3. ISSN 1020-6868 (WC ·ACNP)