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Are you Daniel C. Abel, author of the books below?
Sharkpedia by Daniel C. Abel Shark Biology and Conservation by Daniel C. Abel Sharkpedia - Die erstaunliche Welt der Haie by Daniel C. Abel Environmental Oceanography by Daniel C. Abel Environmental Issues by Daniel C. Abel Sharkpedia by Daniel C. Abel Environmental Issues in Oceanography by Daniel C. Abel Issues in Oceanography by Daniel C. Abel Environmental Geology Today by Robert L. McConnell Environmental Oceanography by Robert L. McConnell


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