Now showing items 1-23 of 23
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(1984)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1997)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1999)
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(1972)
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(1988)
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(1970)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 2001)
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(University of Michigan, Ann Arbor, Transportation Research Institute, 1998)