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, prepared with the assistance of a 152-member Committee of Corresponding Consultants in 58 countries
| Egile Nagusiak: | , |
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| Erakunde egilea: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Middlesex
Penguin Books
1972.
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| Gaiak: |