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Highway Research Board Bulletin, Issue 63
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Highway Research Board Proceedings, Volume 31
Highway Research Board Bulletin, Issue 39, 19p
Highway Research Board Bulletin, Issue 34, pp 1-2
Highway Research Board Bulletin, Issue 25, pp 29-30
Highway Research Board Bulletin, Issue 25, pp 28-29
Highway Research Board Bulletin, Issue 25, pp 24-27
Highway Research Board Bulletin, Issue 29, 20p
Highway Research Board Bulletin, Issue 21, 14p
Highway Research Board Bulletin, Issue 19
Highway Research Board Proceedings, Volume 28
Highway Research Board Bulletin, Issue 10, pp 19-26
Highway Research Board Bulletin, Issue 16, pp 9-11
Highway Research Board Bulletin, Issue 6, pp 14-33
Highway Research Board Bulletin, Issue 4, pp 25 - 27
Highway Research Board Proceedings, Volume 26
Highway Research Board Proceedings, Volume 25
Highway Research Board Proceedings, Volume 24
Highway Research Board Proceedings, Volume 23
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 21
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