IUCN 1970 yearbook : annual report / International Union for Conservation of Nature and Natural Resources
| Livello bibliografico: | Monografia |
| Autore: | International Union for Conservation of Nature and Natural Resources |
| Titolo: | IUCN 1970 yearbook : annual report / International Union for Conservation of Nature and Natural Resources |
| Pubblicazione: | [1970] IUCN |
| Descrizione fisica: | 98 p. ; 21 cm. |
| Nomi: | International Union for Conservation of Nature and Natural Resources |
| Collocazione: | 3.C.4524 ECN |