Giovanetti, Thomas A. Discus fish / Thomas A. Giovanetti ; illustrations by Michele Earle-Bridges ; consulting editor, Matthew M. Vriends. - Hauppauge, NY : Barron's, 1991. - 80 p. : ill. (some col.) ; 20 cm. Includes bibliographical references (p. 80) and index. ISBN: 0812046692 Subjects--Topical Terms: Discus Fish LC Class. No.: SF458.D5 Dewey Class. No.: 639.3/758