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Highway Research Record, Issue 449, pp 71-73
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Highway Research Record, Issue 449, pp 45-61
Highway Research Record, Issue 449, pp 21-33
Highway Research Record, Issue 463, 62 p.
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Highway Research Record, Issue 459, p. 13-28
Highway Research Record, Issue 445, pp 1-11
Highway Research Board Special Report, Issue 139, 29 p.
Highway Research Record, Issue 423, pp 11-16
New Concepts In Urban Transportation, Volume 2, Issue 8, p. 240-2
Highway Research Record, Issue 414, 78p
Highway Research Record, Issue 400, pp 4-15
85 p.
Highway Research Record, Issue 415, pp 1-3
Highway Research Record, Issue 411, p. 15-21
Highway Research Record, Issue 413, pp 45-56
Highway Research Record, Issue 381, pp 20-26
Highway Research Record, Issue 381, pp 37-45
Highway Research Record, Issue 379, pp 39-51
Highway Research Record, Issue 405, 156 p.
Highway Research Record, Issue 381, pp 10-19
Highway Research Record, Issue 381, pp 46-79
Highway Research Record, Issue 381, pp 27-36
Highway Research Record, Issue 379, p. 10-18
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