  2000 - Scientific Method for Ecological Research (Hardcover) → Paperback ISBN-13: 9780521660051 ISBN-10: 052166005X Genres: Science & Math, Engineering & Transportation, Substores ?  2000 - Scientific Method for Ecological Research (Paperback) → Hardcover ISBN-13: 9780521669733 ISBN-10: 0521669731 Genres: Science & Math, Engineering & Transportation ? |
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