ISBN 0471562246 books & textbook
Microscopic Anatomy of Invertebrates. Volume 2: Placozoa, Porifera, Cnidaria, and Ctenophora (Microscopic Anatomy of Invertebrates)
Harrison, Frederick W. Ruppert, Edward E.
Wiley-Liss /1990-12T Hardcover / 452 Pages
isbn-10: 0471562246 / isbn-13: 9780471562245
