A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Improvement in highway signs
Design of signs on basis of psychological tests.
Improvement in highway signs
Design of signs on basis of psychological tests.
Improvement in highway signs
Am Highways
Lauer, A.R. (author) / Helwig, D. (author)
American Highways ; 11
1932
Article (Journal)
English
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