Cramer, Deborah Smithsonian ocean : our water our world / Deborah Cramer. - NY : Smithsonian Institution, 2008. - [ ] p. col. ill.: 23.5 cm. Includes bibliographic references English ISBN: 978-0-06-134383-4 Subjects--Topical Terms: Marine biologyMarine ecology LC Class. No.: 578.77 C84s