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Highway Research Board Bulletin, Issue 60
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Highway Research Abstracts
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Highway Research Board Proceedings, Volume 30
Highway Research Board Bulletin, Issue 21, pp 1-6
Highway Research Board Bulletin, Issue 19
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 27
Highway Research Board Bulletin, Issue 9, 46p
Highway Research Board Bulletin, Issue 5, 23p
Highway Research Board Bulletin, Issue 3, pp 16-23
Highway Research Board Proceedings, Volume 26
Highway Research Board Proceedings, Volume 25
Highway Research Board Proceedings, Volume 23
Highway Research Board Proceedings, Volume 19
Highway Research Board Proceedings, Volume 18
Highway Research Board Proceedings, Volume 17
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