A Prototype maintenance-of-way planning system / A. Hamid [and others].
Published
Washington, D.C. : U.S. Dept. of Transportation, Federal Railroad Administration, Office of Research and Development, [1980-] Springfield, Va. : National Technical Information Service
Microfiche. Washington, D.C., U.S. G.P.O., 1981. 2 microfiches : negative ; 11 x 15 cm.
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