Future environments of North America being the record of a conference convened by the Conservation Foundation in April, 1965, at Airlie House, Warenton, Virginia
| Erakunde egilea: | |
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| Beste egile batzuk: | , |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Garden City, N.Y.
Natural History Press
c1966.
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| Gaiak: |