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＜図書＞
Traffic management and safety at highway work zones : report / prepared by an OECD scientific expert group.
(Road transport research)

出版者	Paris : Organisation for Economic Co-operation and Development
出版者	Paris : OECD
出版年	c1989
出版年	c1989
大きさ	145 p. : ill. ; 28 cm.
著者標目	Organisation for Economic Co-operation and Development
件　名	Road construction -- Safety measures  全ての件名で検索 Traffic engineering
一般注記	OECD7789031

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