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Terms for subject Ecology containing conference on the human environment | all forms | in specified order only
| English | Russian |
| United Nations Conference on the Human Environment | Конференция ООН по окружающей среде (1972, Стокгольм) |
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| English | Russian |
| United Nations Conference on the Human Environment | Конференция ООН по окружающей среде (1972, Стокгольм) |