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This study reviews the historical development of many forms of safety aids (marine, aero, road, rail) over the last quarter-millenium.
1st edition, 2002. Part of Transportation-Markings: A Study in Communication Monograph Series. Mount Angel Abbey. St. Benedict OR.
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- Created March 6, 2012
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| March 6, 2012 | Created by Brian Clearman | Created new list. |