153 resultados para Radio beacons
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"30 September 1983."
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Includes index.
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Subtitle varies slightly.
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Mode of access: Internet.
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Texas State Department of Highways and Public Transportation, Transportation Planning Division, Austin
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Federal Highway Administration, Office of Research and Development, Washington, D.C.
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Includes bibliographical references.
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National Highway Traffic Safety Administration, Office of Driver and Pedestrian Programs, Washington, D.C.
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Mode of access: Internet.
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"First printing...November 1946; second printing...November 1946."