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- catalog contributor b1058524.
- catalog created "1977.".
- catalog date "1977".
- catalog date "1977.".
- catalog dateCopyrighted "1977.".
- catalog description "Includes bibliographical references.".
- catalog extent "iii, 65 p. :".
- catalog identifier "0309026822".
- catalog isPartOf "Transportation research record ; 653".
- catalog issued "1977".
- catalog issued "1977.".
- catalog language "eng".
- catalog publisher "Washington : National Academy of Sciences,".
- catalog subject "Railroads Track Congresses.".
- catalog title "Track systems and other related railroad topics / Transportation Research Board, Commission on Sociotechnical Systems, National Research Council.".
- catalog type "text".