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Highway Research Board Bulletin, Issue 55
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Highway Research Board Bulletin, Issue 53
Highway Research Board Proceedings, Volume 31
Highway Research Board Bulletin, Issue 38, pp 68-72
Highway Research Board Bulletin, Issue 35, pp 45-55
Highway Research Board Proceedings, Volume 30
Highway Research Board Bulletin, Issue 30, pp 29-41
Highway Research Abstracts
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Highway Research Board Proceedings, Volume 26
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 22
Highway Research Board Proceedings, Volume 20
Rural Traffic Problems
Highway Research Board Proceedings, Volume 18
Highway Research Board Proceedings, Volume 17
Highway Research Board Proceedings, Volume 13
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