Aihe-ehdotuksia
Aihe-ehdotuksia
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Tekijä Meck, Stuart
Washington, D.C. : Transportation Research Board, 2007
Washington, D.C. : Transportation Research Board, 2007
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Kirja
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Tekijä Creighton, Roger
Washington, D.C. : Transportation Research Board, National Research Council, 1982
Washington, D.C. : Transportation Research Board, National Research Council, 1982
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Kirja
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Tekijä Kruse, C. James
Washington, D.C. : Transportation Research Board, 2010
Washington, D.C. : Transportation Research Board, 2010
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Kirja
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