Now showing items 26-50 of 65
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1995-11)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1985-05)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1995-08)
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(Ann Arbor, Mich.: Center for National Truck Statistics, University of Michigan Transportation Research Institute, 2002)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1993)
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(1982)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 2007-06)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 2005-11-11)