4 resultados para Regional Patterns
em University of Michigan
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Mode of access: Internet.
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National Highway Traffic Safety Administration, Washington, D.C.
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" ... contribution to North Central Project NC-137, 'Effect of changes in transportation on performance of the U.S. Agricultural Transportation System, 'and to Southern Regional Project S-176 Interregional marketing systems for grains and soybeans.'"--P. iii.
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"ETA Occasional Paper 2008-03."