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Highway Research Board Proceedings, Volume 26
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Highway Research Board Current Road Problems, Issue 12
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Highway Research Board Bulletin, Issue 1, 21p
Highway Research Board Proceedings, Volume 25
Highway Research Board Research Reports, Issue 1D 1946, 79p
Highway Research Board Proceedings, Volume 24
Highway Research Board Research Reports, 22p
Highway Research Board Research Reports, Issue 2F, 66p
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