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Highway Research Record, Issue 58, pp 8-15
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Highway Research Record, Issue 56, pp 47-70
Highway Research Record, Issue 56, pp 35-46
Highway Research Record, Issue 56, pp 98-115
Highway Research Record, Issue 30, 55p
Highway Research Record, Issue 30, pp 1-19
Highway Research Record, Issue 33, pp 202-216
Highway Research Record, Issue 33, pp 16-34
Highway Research Board Bulletin, Issue 361, 71p
Highway Research Board Bulletin, Issue 361, pp 25-71
Highway Research Board Proceedings, Volume 41
Highway Research Board Bulletin, Issue 312, pp 10-17
Highway Research Board Proceedings, Volume 40
Highway Research Board Bulletin, Issue 286, 31p
Highway Research Board Proceedings, Volume 39
Highway Research Board Bulletin, Issue 286
Highway Research Board Bulletin, Issue 223, 24p
Highway Research Board Bulletin, Issue 223, 13p
Highway Research Board Bulletin, Issue 223, 11p
Highway Research Board Proceedings, Volume 37
Highway Research Board Proceedings, Volume 36
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