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1Liburuanork Solomon, David, 1938-“...United States. Federal Highway Administration...”
Argitaratua 1964
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2LiburuaArgitaratua 1968“...United States. Federal Highway Administration...”
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3LiburuaArgitaratua 1974“...United States. Federal Highway Administration...”
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4
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5LiburuaArgitaratua 1972“...United States. Federal Highway Administration...”
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6LiburuaArgitaratua 1977“...United States. Federal Highway Administration...”
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7LiburuaArgitaratua 1974“...United States. Federal Highway Administration. Traffic Systems Division...”
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8Liburuanork Sack, Ronald L.“...United States. Federal Highway Administration. Offices of Research and Development...”
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9LiburuaArgitaratua 1972“...United States. Federal Highway Administration...”
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10Liburuanork Miklofsky, Haaren A.“...United States. Federal Highway Administration. Offices of Research and Development...”
Argitaratua 1977
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11Liburuanork McCully, Wayne G.“...United States. Federal Highway Administration...”
Argitaratua 1974
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12
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13LiburuaArgitaratua 1972“...United States. Federal Highway Administration...”
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14Government Document LiburuaArgitaratua 1976“...United States. Federal Highway Administration. Office of Program and Policy Planning...”
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15LiburuaArgitaratua 1972“...United States. Federal Highway Administration...”
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16LiburuaArgitaratua 1994“...United States. Federal Highway Administration...”
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17
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18Liburuanork Hopkins, Tommy C.“...United States. Federal Highway Administration...”
Argitaratua 1975
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19
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20LiburuaArgitaratua 1973“...United States. Federal Highway Administration...”