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Peter Bull has written 28 work(s)
Paperback:
9789501106824 | Editorial Sigmar S.A.C.I., October 30, 2000, cover price $8.95 | also contains Agua
Product Description: Protecting trees and forests stresses our dependence on trees for air and water, and the ecological importance of forests in prevention of erosion and desertification. This book contains suggestions for practical ways to protect and care for trees on both a local and international level...read more
Paperback:
9780590206600 | Scholastic Educational, September 1, 1994, cover price $3.50 | About this edition: Protecting trees and forests stresses our dependence on trees for air and water, and the ecological importance of forests in prevention of erosion and desertification.
Paperback:
9789501106817 | Ill edition (Editorial Sigmar S.A.C.I., October 30, 1988), cover price $8.95 | also contains Aire
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