Report of the United Nations conference on the human environment.

Report of the United Nations conference on the human environment.

书目详细资料
企业作者: United Nations. Conference on the Human Environment, Stockholm, 1972
格式: 图书
语言:English
出版: New York United Nations c1973.
主题:
Human ecology > Congresses.
Conservation of natural resources > Congresses.
Environmental policy > Congresses.