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Highway Research Board Proceedings, Volume 23
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Highway Research Board Wartime Road Problems, Issue 8, 14p
Highway Research Board Wartime Road Problems, Issue 7, 30p
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 3, 13p
Highway Research Board Wartime Road Problems, Issue 1, 16p
Highway Research Board Proceedings, Volume 21
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