  Human Ecosystems and Technological Change (Paperback) → Paperback ISBN-13: 9780073841830 ISBN-10: 0073841838 Genre: Outdoors & Nature ?  Human Ecosystems and Technological Change (Paperback) → Paperback ISBN-13: 9780256750065 ISBN-10: 0256750068 ?  Human Ecosystems and Technological Change (Paperback) → Paperback ISBN-13: 9780697584601 ISBN-10: 0697584607 ? |
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