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Highway Research Board Bulletin, Issue 115, 13p
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Highway Research Board Bulletin, Issue 115, 14p
Highway Research Board Bulletin, Issue 90
Highway Research Board Proceedings, Volume 33
Highway Research Board Research Reports, Issue 15B, 52p
Highway Research Abstracts
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Highway Research Board Roadside Development Committee Reports
Highway Research Board Proceedings, Volume 31
Highway Research Board Special Report, Issue 2
Highway Research Board Bulletin, Issue 45, 20p
Highway Research Board Proceedings, Volume 30
Highway Research Board Research Reports, Issue 11B, 19p
Highway Research Board Bulletin, Issue 21, pp 7-9
Highway Research Board Research Reports, Issue 6B, 35p
Highway Research Board Research Reports, Issue 6B, 4p
Highway Research Board Research Reports, Issue 6B, 13p
Highway Research Board Proceedings, Volume 27
Highway Research Board Proceedings, Volume 26
Highway Research Board Proceedings, Volume 25
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