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Highway Safety, Design, and Operations; Freeway Signing and Related Geometrics
United States. Congress. House. Committee on Public Works. Special Subcommittee on the Federal-Aid Highway Program
其他書名
Hearings, Ninetieth Congress, Second Session
出版U.S. Government Printing Office, 1968
URLhttp://books.google.com.hk/books?id=KI36hWEsVkQC&hl=&source=gbs_api
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