957 resultados para National Research Council (U.S.). Highway Research Board


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Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.

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Federal Highway Administration, Office of Enforcement and Emergency Services, Washington, D.C.

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Federal Highway Administration, Safety Design Division, McLean, Va.

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National Highway Traffic Safety Administration, Office of Research and Development, Washington, D.C.

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Report no. L-6-L-9 published: Federal Works Agency, Work Projects Administration.

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Federal Highway Administration, Safety Design Division, McLean, Va.

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"Report prepared for National Science Foundation, Research Applications Directorate, RANN--Research Applied to National Needs."

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Transportation Department, Washington, D.C.

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"October 1979,"--Cover, p.1.

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"Research supported in part under NSF grant MCS 77-22830."