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Author

Gene S. Helfman

4 books found

Cover of Sharks

Sharks

Gene S. Helfman · First published 2014

Cover of Fishes

Fishes

Gene S. Helfman · First published 2011

Cover of The diversity of fishes

The diversity of fishes

Gene S. Helfman · First published 1997 · Latest edition 2009

Cover of Fish Conservation

Fish Conservation

Gene S. Helfman · First published 2007