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Highway Research Board Bulletin, Issue 14
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Highway Research Board Proceedings, Volume 27
Highway Research Board Bulletin, Issue 14, pp 1-11
Highway Research Board Proceedings, Volume 26
Highway Research Board Proceedings, Volume 24
Highway Research Board Research Reports, Issue 2F, 66p
Highway Research Board Wartime Road Problems, Issue 9, 8p
Highway Research Board Proceedings, Volume 23
Highway Research Board Proceedings, Volume 23, pp 497-529
Highway Research Board Proceedings, Volume 22
Highway Research Board Proceedings, Volume 21
Highway Research Board Proceedings, Volume 20
Highway Research Board Proceedings, Volume 19
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