State of the Environment the state of the world environment

State of the Environment the state of the world environment

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Библиографические подробности
Главный автор: United Nations Environmental Program
Формат: ‌
Язык:English
Опубликовано: Nairobi, Kenya United Nations Environmental Program 1987.
Предметы:
Environmental protection > Congresses.
Environmental policy > Congresses.
Health > Environmental aspects.