Night legibility distances of highway signs
1959
S. 33 - 40
Ill.
Book
English
Engineering Index Backfile | 1947
|Effect of letter width and spacing on night legibility of highway signs
Engineering Index Backfile | 1956
|Brightness and legibility at night of road traffic signs
Engineering Index Backfile | 1947
|Legibility Distances of Fluorescent Traffic Signs and Their Normal Color Counterparts
Online Contents | 2001
|Legibility Distances of Fluorescent Traffic Signs and Their Normal Color Counterparts
Transportation Research Record | 2001
|