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1
by Larson, Thomas D.
University Park, Pa. : Pennsylvania Transportation Institute, The Pennsylvania State University, 1974
University Park, Pa. : Pennsylvania Transportation Institute, The Pennsylvania State University, 1974
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2
by Hartranft, Thomas J. (Thomas Jay)
University Park, Pa. : Pennsylvania State University, The Pennsylvania Transportation Institute, 1975
University Park, Pa. : Pennsylvania State University, The Pennsylvania Transportation Institute, 1975
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3
by Sauerlender, O. H. (Owen Helwig)
University Park, Pa. : Pennsylvania State University, Pennsylvania Transportation Institute, 1974
University Park, Pa. : Pennsylvania State University, Pennsylvania Transportation Institute, 1974
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4
by Laman, Jeffrey A.
University Park : Pennsylvania Transportation Institute, the Pennsylvania State University, 1997
University Park : Pennsylvania Transportation Institute, the Pennsylvania State University, 1997
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5
6
by Miller, James H. (James Howard), 1945-
University Park, PA : Pennsylvania Transportation Institute, 2001
University Park, PA : Pennsylvania Transportation Institute, 2001
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