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Una sola Tierra : el cuidado y conservación de un pequeño planeta by Barbara Ward
Una sola Tierra : el cuidado y conservación de un pequeño planeta
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Barbara Ward

Una sola Tierra : el cuidado y conservación de un pequeño planeta

Barbara Ward

280 pages • paperback • 1972

nonfiction science informative medium-paced
Other editions (3)
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Only One Earth: The Care and Maintenance of a Small Planet by René Dubos, Barbara Ward Jackson

Only One Earth: The Care and Maintenance of a Small Planet

René Dubos, Barbara Ward Jackson

256 pages • paperback • 1972

nonfiction science informative medium-paced
Only One Earth: The Care and Maintenance of a Small Planet by René Dubos, Barbara Ward

Only One Earth: The Care and Maintenance of a Small Planet

René Dubos, Barbara Ward

225 pages • 1972

nonfiction science informative medium-paced
Only One Earth: The Care and Maintenance of a Small Planet: An Unofficial Report Commissioned by the Secretary-General of the United Nations Conference on the Human Environment, by René Dubos, Barbara Ward

Only One Earth: The Care and Maintenance of a Small Planet: An Unofficial Report Commissioned by the Secretary-General of the United Nations Conference on the Human Environment,

René Dubos, Barbara Ward

304 pages • paperback • 1972

nonfiction science challenging informative medium-paced