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Publisher:
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Washington : U.S. Government Printing Office, 2008. |
Phys. Desc.:
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iv, 61 pages : digital, PDF file
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Digital Content
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Click for online content. |
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Publisher:
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Washington, DC : U.S. Dept. of Transportation, National Highway Traffic Safety Administration, [2011] |
Phys. Desc.:
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1 online resource (xviii, 134 p.) : color ill.
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Digital Content
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Click for online content. |
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Publisher:
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[Raleigh, N.C.] : [Public Transportation Group, Institute for Transportation Research and Education, North Carolina State University], [2005] |
Phys. Desc.:
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1 online resource (116 pages)
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Digital Content
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https://digital.ncdcr.gov/documents/detail/2821181 |
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