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- catalog contributor b5082328.
- catalog created "1977.".
- catalog date "1977".
- catalog date "1977.".
- catalog dateCopyrighted "1977.".
- catalog description "Includes bibliographical references.".
- catalog extent "iii, 56 p. :".
- catalog identifier "0309026539".
- catalog isPartOf "Transportation research record ; 628".
- catalog issued "1977".
- catalog issued "1977.".
- catalog language "eng".
- catalog publisher "Washington : National Academy of Sciences,".
- catalog subject "380.5/08 s 628.9/5".
- catalog subject "Railroads Crossings.".
- catalog subject "Roads Lighting.".
- catalog subject "Roads Visibility.".
- catalog subject "TE7 .H5 no. 628 TE228".
- catalog title "Lighting, visibility, and railroad-highway grade crossings / Transportation Research Board, Commission on Sociotechnical Systems, National Research Council.".
- catalog type "text".