Ecological principles for economic development
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| Körperschaften: | , | 
| Format: | Buch | 
| Sprache: | English | 
| Veröffentlicht: | London
          Published for the International Union for Conservation of Nature and Natural Resources (IUCN), Morges, Switzerland and the Conservation Foundation, Washington, D.C., USA. by Wiley
    
        c1973. | 
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