1.
図書 |
世界資源研究所, 国際自然保護連合, 国連環境計画編集 ; 佐藤大七郎監訳
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2.
図書 |
prepared for UNEP by the GEMS Monitoring and Assessment Research Centre, London, UK in co-operation with the World Resources Institute, Washington, D.C., UK Department of the Environment, London
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