Washington, D.C. : U.S. Dept. of Transportation, Federal Railroad Administration, Office of Research and Development, [1994] [Springfield, VA] : [National Technical Information Service, distributor]
Distributed to depository libraries in microfiche. Shipping list no.: 94-0270-M.
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Microfiche. [Washington, D.C.?] : Supt. of Docs., U.S. G.P.O., [1994]. 2 microfiches.
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