  2003 - A Citizen's Guide to Ecology (Hardcover) → Paperback, Hardcover ISBN-13: 9780195162868 ISBN-10: 0195162862 Genres: Science & Math, Engineering & Transportation ?  2003 - A Citizen's Guide to Ecology (Paperback) → Hardcover ISBN-13: 9780195162875 ISBN-10: 0195162870 Genres: Science & Math, Engineering & Transportation 1  1993 - Simplicity and Complexity in Games of the Intellect (Paperback) → Hardcover ISBN-13: 9780674808263 ISBN-10: 0674808266 Genres: Health, Fitness & Dieting, Science & Math ?  1992 - Simplicity and Complexity in Games of the Intellect (Hardcover) → Paperback ISBN-13: 9780674808256 ISBN-10: 0674808258 Genre: Science & Math ?  1981 - Growth and Regulation of Animal Populations (Paperback) ISBN-13: 9780486639581 ISBN-10: 0486639584 ?  Growth and Regulation of Animal Populations (Other) → Paperback ISBN-13: 9780030104251 ISBN-10: 0030104254 ?  A Citizen's Guide to Ecology (Hardcover) → Paperback, Hardcover ISBN-13: 9780195095968 ISBN-10: 0195095960 ? |
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