Only one earth : the care and maintenance of a small planet /

Only one earth : the care and maintenance of a small planet /

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Bibliographic Details
Main Authors: Ward, Barbara, 1914-, Dubos, Rene, United Nations Confeence on the Human Environment : 1972 : Stockholm, Sweeden)
Format:
Published: Harmondosworth : Penguin, 1972
Subjects:
Human ecology

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