Xehetasun bibliografikoak
| Egile nagusia: |
Dasmann, Raymond Fredric, 1919-2002 |
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| Egile korporatiboa: |
International Union for Conservation of Nature and Natural Resources,
Conservation Foundation |
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| Beste egile batzuk: |
Milton, John P.,
Freeman, Peter H. |
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| Formatua: | Liburua
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| Hizkuntza: | English |
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| Argitaratua: |
London ; New York :
published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA [by] John Wiley & Sons,
c1973.
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| Gaiak: | |
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