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Whales, dolphins and porpoises / prepared by the Book Division, National Geographic Society, Washington ; [contributing authors, Kenneth S. Norris ... et al.]. - Washington, D. C. : National Geographic Society, 1995. - 232 p. ; 31 x 28 cm.

ISBN: 0792229533

Subjects--Topical Terms:
Ballenas.
Delfines.
Cetáceos.

LC Class. No.: QL737 .C4 / W43a