  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 ? |
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