![](/img/cover-not-exists.png)
Letters
Ridgeway, John E., Cabe, P. A., Thornton, C. L., Barrett, G. V., Kerber, H. E., Mudd, Samuel A.Volume:
12
Language:
english
Journal:
Human Factors: The Journal of the Human Factors and Ergonomics Society
DOI:
10.1177/001872087001200115
Date:
February, 1970
File:
PDF, 320 KB
english, 1970