Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Road signs, route marking and signals as safety appliances
General principles; progress in standardization; form and color; night signals; progress made in roadway marking and route signs and warning signals; elimination of unnecessary signs; legislation needed.
Road signs, route marking and signals as safety appliances
General principles; progress in standardization; form and color; night signals; progress made in roadway marking and route signs and warning signals; elimination of unnecessary signs; legislation needed.
Road signs, route marking and signals as safety appliances
Eng. News-Rec
James, E.W. (Autor:in)
Engineering News-Record ; 106
1931
3 pages
3 Figs.
Aufsatz (Zeitschrift)
Englisch
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