Whale and dolphin identification [CD-ROM]: A guide to the whales, dolphins and porpoises regularly occurring in the North Atlantic, North Sea and Mediterranean
Seawatch Foundation (2003). Whale and dolphin identification [CD-ROM]: A guide to the whales, dolphins and porpoises regularly occurring in the North Atlantic, North Sea and Mediterranean. Splashdown Productions: Oxford. 1 cd-rom (40 min.) pp.
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