Pechenik, Jan A. Biology of the invertebrates / Jan A. Pechenik. - 6th ed. - Boston: Mc Graw-Hill, ©2011. - 606p.: ill.; 27cm. Includes bibliographical references and index. ISBN: 978-0-0713-2580-6 Subjects--Topical Terms: InvertebratesInvertebrates--Physiology Dewey Class. No.: GC 592 P365 2011