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Highway Research Board Bulletin, Issue 30, pp 42-43
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Highway Research Board Proceedings, Volume 29
Highway Research Board Bulletin, Issue 15, pp 15-17
Highway Research Board Bulletin, Issue 11, pp 1-20
Highway Research Board Bulletin, Issue 11, pp 30-36
Highway Research Board Bulletin, Issue 11, pp 21-29
Highway Research Abstracts
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Highway Research Board Proceedings, Volume 27
Highway Research Board Proceedings, Volume 26
Highway Research Board Proceedings, Volume 24
Highway Research Board Proceedings, Volume 22
Highway Research Board Proceedings, Volume 21
Highway Research Board Proceedings, Volume 20
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 19
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