893 resultados para systems of signs
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Mode of access: Internet.
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Mode of access: Internet.
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Selected references":p. 753-806.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Federal Highway Administration, Office of Research, Washington, D.C.
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Based on the author's thesis, Yale.
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Bibliography: p. 34.
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Mode of access: Internet.
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Includes index.
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Mode of access: Internet.