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Highway Research Board Bulletin, Issue 139, 6p
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Highway Research Board Bulletin, Issue 127, 4p
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 35
Highway Research Board Bulletin, Issue 111, 36p
Highway Research Board Proceedings, Volume 34
Highway Research Board Bulletin, Issue 114, p. 21-27
Highway Research Board Bulletin, Issue 110
Highway Research Board Bulletin, Issue 110, 14p
Highway Research Abstracts
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Highway Research Board Proceedings, Volume 33
Highway Research Board Bulletin, Issue 72
Highway Research Board Bulletin, Issue 71
Highway Research Board Research Reports, Issue 15B, 19p
Highway Research Board Research Reports, Issue 15B, 52p
Highway Research Board Proceedings, Volume 32
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