Ripple, Jeff, 1963- Manatees and dugongs of the world / text by Jeff Ripple ; photographs by Doug Perrine. - Stillwater, MN : Voyageur Press, c1999. - 131, [13] p. : col. ill. ; 29 cm. Includes bibliographical references (p. [7]). ISBN: 0896583937 LCCN: 99022721 Subjects--Topical Terms: Sirenia.Sirenia--Folklore. LC Class. No.: QL737.S6 / R56 1999 Dewey Class. No.: 599.55