TY - BOOK AU - Laverack,M.S. AU - Dando,J. TI - Essential invertebrate zoology SN - 0470266058 AV - QL362 L39 1979 PY - 1979/// CY - New York PB - Wiley KW - Invertebrates N1 - "A Halsted Press book."; Includes bibliographical references and indexes ER -