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Highway Research Board Wartime Road Problems, Issue 6, 16p
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Highway Research Board Proceedings, Volume 22
Highway Research Board Wartime Road Problems, Issue 4, 9p
Highway Research Board Wartime Road Problems, Issue 3, 13p
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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