[Washington, D.C.] : U.S. Dept. of Commerce, Economics and Statistics Administration, Bureau of the Census : For sale by Supt. of Docs., U.S. G.P.O., [1994]
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Apostolides, Anthony D.
[Washington, D.C.] : U.S. Dept. of Transportation, Research and Innovative Technology Administration, Bureau of Transportation Statistics, Office of Advanced Studies, [2008]
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