Use and conservation of the biosphere : proceedings of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere, Paris, 4-13 September 1968
著者
書誌事項
Use and conservation of the biosphere : proceedings of the intergovernmental conference of experts on the scientific basis for rational use and conservation of the resources of the biosphere, Paris, 4-13 September 1968
（Natural resources research, 10）
Unesco, 1970
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注記
"SC.69/XII.16/A"