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by Larson, Thomas D.
University Park, Pa. : Department of Civil Engineering, The Pennsylvania State University, 1967
University Park, Pa. : Department of Civil Engineering, The Pennsylvania State University, 1967
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McLean, Va. : [Springfield, VA] : U.S. Dept. of Transportation, Federal Highway Administration, Research, Development, and Technology, Turner-Fairbank Highway Research Center ; [Available to the public through the National Technical Information Service], 1987
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