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Highway Research Board Proceedings, Volume 30
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Highway Research Abstracts, Volume 20, Issue 6, p. 17-27
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Highway Research Board Bulletin, Issue 27, 24p
Highway Research Board Research Reports
Highway Research Board Proceedings, Volume 29, 22 p.
Highway Research Board Proceedings, Volume 29
Highway Research Board Bulletin, Issue 27
Highway Research Board Bulletin, Issue 23, pp 12-17
Highway Research Board Bulletin, Issue 23, pp 1-11
Highway Research Board Bulletin, Issue 22
Highway Research Board Bulletin, Issue 20
Highway Research Board Bulletin, Issue 21, pp 10-14
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 28
Highway Research Board Bulletin, Issue 14, pp 19-20
Highway Research Board Bulletin, Issue 14
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