77 resultados para alternatives
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Includes bibliographical references.
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"NPS D-68"--P. [3] of cover.
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Transportation Department, Washington, D.C.
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Mode of access: Internet.
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"March 1996."
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"January 1993."
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Federal Highway Administration, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Federal Highway Administration, Washington, D.C.
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Transportation Systems Center, Cambridge, Mass.
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Mode of access: Internet.
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Also available on the Internet
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Includes bibliographical references (p. 154-159).
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Thesis--University of Maryland.
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Mode of access: Internet.