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Highway Research Board Research Reports, Issue 14B, 29p
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Highway Research Board Research Reports, Issue 14B, 17p
Highway Research Board Research Reports, Issue 14B, 9p
Highway Research Board Proceedings, Volume 31
Highway Research Board Bulletin, Issue 39, 19p
Highway Research Board Proceedings, Volume 30
Highway Research Board Proceedings, Volume 29
Highway Research Board Proceedings, Volume 28
Highway Research Board Bulletin, Issue 11, pp 1-20
Highway Research Board Bulletin, Issue 11, pp 30-36
Highway Research Board Proceedings, Volume 24
Highway Research Board Proceedings, Volume 23
Highway Research Board Wartime Road Problems, Issue 2, 14p
Highway Research Board Proceedings, Volume 18
Highway Research Board Proceedings, Volume 17
Highway Research Board Proceedings, Volume 15
Highway Research Board Proceedings, Volume 11
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