Visual values for the highway user
Subtitle: an engineer's workbook
By: Peter L. Hornbeck, Garland A.Okerlund.
Contributors: Okerlund, Garland A.; United States. Federal Highway Administration.
Publisher: U.S. Dept. of Transportation, Federal Highway Administration
Published: 1973
Place of publication: Washington
Language: eng
Notes: 8 transparancies in end pocket.