May n 5 p 226-229: How, when and where signs are used most effectively on buses to show proper destination. June n 6 p 284-285: How to keep destination signs operating at peak efficiency.
Signs
Bus Transportation
Bus Transportation ; 20 , n 5-6
1941
Aufsatz (Zeitschrift)
Englisch
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Signs for Roadworks: Evaluation of Experimental Signs
NTIS | 1986
|SAE Technical Papers | 1991
Engineering Index Backfile | 1933
SAE Technical Papers | 1995