Sey, Otto. CRC handbook of the zoology of amphistomes/ Handbook of the zoology of amphistomes. author, Otto Sey. - Boca Raton, Fla. : CRC Press, c1991. - 480p.: ill.,maps; 27 cm. Includes bibliographical references (p. 433-468) and index. ISBN: 0849336244 Subjects--Topical Terms: Digenea. LC Class. No.: QL391.P7 / S49 1991