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Highway Research Board Proceedings, Volume 27
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Highway Research Board Bulletin, Issue 8
Highway Research Board Bulletin, Issue 5, 23p
Highway Research Board Proceedings, Volume 26
Highway Research Board Research Reports, Issue 4B, 141p
Highway Research Board Current Road Problems, Issue 12
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Highway Research Board Proceedings, Volume 25
Highway Research Board Research Reports, Issue 1D 1946, 79p
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