![](/img/cover-not-exists.png)
Studies in automobile speed on the highway. II. Approach speeds and changes in sign size and location on the highway.
Lawshe, C. H., Jr.Volume:
24
Year:
1940
Language:
english
Journal:
Journal of Applied Psychology
DOI:
10.1037/h0057756
File:
PDF, 1.39 MB
english, 1940