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1
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2LlibrePublicat 1968“…United States. Federal Highway Administration…”
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3LlibrePublicat 1974“…United States. Federal Highway Administration…”
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4
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5LlibrePublicat 1972“…United States. Federal Highway Administration…”
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6LlibrePublicat 1977“…United States. Federal Highway Administration…”
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7LlibrePublicat 1974“…United States. Federal Highway Administration. Traffic Systems Division…”
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8Llibreper Sack, Ronald L.“…United States. Federal Highway Administration. Offices of Research and Development…”
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9LlibrePublicat 1972“…United States. Federal Highway Administration…”
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10Llibreper Miklofsky, Haaren A.“…United States. Federal Highway Administration. Offices of Research and Development…”
Publicat 1977
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11
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12
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13LlibrePublicat 1972“…United States. Federal Highway Administration…”
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14Document de govern LlibrePublicat 1976“…United States. Federal Highway Administration. Office of Program and Policy Planning…”
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15LlibrePublicat 1972“…United States. Federal Highway Administration…”
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16LlibrePublicat 1994“…United States. Federal Highway Administration…”
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17
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18
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19
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20LlibrePublicat 1973“…United States. Federal Highway Administration…”