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Highway Research Board Current Road Problems, Issue 13, 35p
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Highway Research Board Proceedings, Volume 25
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Highway Research Board Proceedings, Volume 24
Highway Research Board Proceedings, Volume 23
Highway Research Board Proceedings, Volume 23, pp 497-529
Highway Research Board Wartime Road Problems, Issue 6, 16p
Highway Research Board Proceedings, Volume 22
Highway Research Board Wartime Road Problems, Issue 4, 9p
Highway Research Board Wartime Road Problems, Issue 1, 16p
Highway Research Board Proceedings, Volume 21
Highway Research Board Proceedings, Volume 20
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