1.

図書

図書
Organisation for Economic Co-operation and Development
出版情報: Paris : Organisation for Economic Co-operation and Development , [Washington, D.C. : OECD Publications and Information Center, distributor], 1980
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2.

図書

図書
prepared by an OECD Road Research Group
出版情報: Paris : Organisation for Economic Co-operation and Development , [Washington, D.C. : sold by OECD Publications and Information Center], 1980
シリーズ名: Road research
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