1990 - Freshwater Macroinvertebrates of Northeastern North America (Hardcover) → Paperback ISBN-13: 9780801420764 ISBN-10: 0801420768 Genre: Science & Math ? 1990 - Freshwater Macroinvertebrates of Northeastern North America (Paperback) → Hardcover ISBN-13: 9780801496882 ISBN-10: 0801496888 Genres: Science & Math, Substores ? |