Barnes, Robert D. Invertebrate zoology / by Robert D. Barnes. - 4th ed. - Philadelphia - Japan : Saunders College, 1980. - xv, 1089 p., [4] leaves of plates : ill. (some col.) ; 27 cm. Includes bibliographies and index. ISBN: 0030567475 Source: B-2907 LCCN: 77016997 Subjects--Topical Terms: Invertebrates. LC Class. No.: QL362 / .B27 1980 Dewey Class. No.: 592