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Highway Research Abstracts
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Highway Research Board Proceedings, Volume 29
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Highway Research Board Proceedings, Volume 28, p. 374-380
Highway Research Board Research Reports, Issue 5B, 87p
Highway Research Board Proceedings, Volume 27
Highway Research Board Proceedings, Volume 26
Highway Research Board Research Reports, Issue 4B, 141p
Highway Research Board Proceedings, Volume 25
Highway Research Board Proceedings, Volume 24
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 22
Highway Research Board Proceedings, Volume 20
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