Smith, Vector, Blackwell habitat field guides : invertebrate animal of freshwater / Victor Smith and Michael Quigley - England : Basil Blackwell, 1986 - 46 Pages : illustration ; 21 cm Includes bibliographical references ISBN: 0631147411 (paperback) 0631900446 (school edition) 9780631147411 (paperback) Subjects--Topical Terms: Freshwater invertebrates --IdentificationFreshwater invertebrates --Field Guides - For schools LC Class. No.: QL141 S65