Luminous requirements for traffic signs : a comparision of sign performance and requirements / prepared for U.S. Department of Transportation, Federal Highway Administration, Offices of Research & Development, Traffic Systems Division.
Luminous requirements for traffic signs : a comparision of sign performance and requirements / prepared for U.S. Department of Transportation, Federal Highway Administration, Offices of Research & Development, Traffic Systems Division.
国立国会図書館請求記号
NC21-84
国立国会図書館書誌ID
000006297934
資料種別
図書
著者
United States. Federal Highway Administration. Traffic Systems Division.ほか