Railroad freight transportation research needs : proceedings of a conference, Bethesda, Maryland, July 12-14, 1993 / sponsored by Transportation Research Board, American Association of Railroads, Federal Railroad Administration.
- Washington, D.C. : National Academy Press, 1994.
v, 149 p. : ill. ; 28 cm.
- Conference Name:
- Conference on Railroad Freight Transportation Research Needs (1993 : Bethesda, Md.)
- Conference proceedings (National Research Council (U.S.). Transportation Research Board) ; 2.
Conference proceedings, 1073-1652 / Transportation Research Board, National Research Council ; 2