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Highway Research Abstracts
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Highway Research Board Proceedings, Volume 26
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Highway Research Board Proceedings, Volume 25
Highway Research Board Proceedings, Volume 24
Highway Research Board Proceedings, Volume 23, pp 329-342
Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 23
Highway Research Board Proceedings, Volume 22
Highway Research Board Proceedings, Volume 21
Highway Research Board Proceedings, Volume 20
Highway Research Board Proceedings, Volume 19
Highway Research Board Proceedings, Volume 18
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