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41
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42Published 1982“...U.S. Dept. of Transportation,...”
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43Published 1983“...U.S. Dept. of Transportation :...”
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44
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45
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46by Walther, Erskine S.“...U.S. Dept. of Transportation :...”
Published 1985
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47Published 1984“...U.S. Dept. of Transportation :...”
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48Published 1984“...U.S. Dept. of Transportation,...”
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49Published 1984“...U.S. Dept. of Transportation,...”
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50
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51
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52Published 1982“...U.S. Dept. of Transportation,...”
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53Published 1984“...U.S. Dept. of Transportation,...”
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54Systan's macro-analytic regionwide transportation model : program maintenance model : final report /by Canfield, Andy“...U.S. Dept. of Transportation,...”
Published 1983
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55by McCants, Douglas M.“...U.S. Dept. of Transportation,...”
Published 1981
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56
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57Published 1985“...U.S. Dept. of Transportation :...”
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58
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59Published 1985“...U.S. Dept. of Transportation :...”
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60Published 1986“...U.S. Dept. of Transportation :...”
Government Document Book