8 resultados para ENERGY LEVEL CROSSING
em University of Michigan
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Mode of access: Internet.
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Federal Railroad Administration, Office of Rail Safety Research, Washington, D.C.
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"June 1982."
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Mode of access: Internet.
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"Contract AT(30-1)-2789."
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Cover title.
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Includes bibliographical references (p. 81-83).
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"April 20, 2006."