Ruppert, E.E. Invertebrate zoology : a functional evolutionary approach/ Edward E. Ruppert, Richard S. Fox and Robert D. Barnes. - 7th - Belmont: Thomson-Brooks, 2004. - xvii, 963,p.: ill.; 26 cm. Includes bibliographical references and index. ISBN: 0030259827 Subjects--Topical Terms: Invertebrates. LC Class. No.: DUCE QL362.R76