841 resultados para trends in Science


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To be published annually. First report covers the period from September 1936 to March 1937.

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Texas Department of Transportation, Austin

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Texas Department of Transportation, Austin

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Federal Highway Administration, Office of Safety and Traffic Operations Research and Development, McLean, Va.

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National Highway Traffic Safety Administration, Washington, D.C.

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At head of title on part 1: 87th Congress, 2d session.

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National Highway Traffic Safety Administration, Washington, D.C.

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Alcohol Safety Action Project--Puerto Rico, San Juan