Traffic signal warrants a bibliography.
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Washington, D.C.
Transportation Research Board, National Research Council
[1975]
|
| سلاسل: | National Cooperative Highway Research Program
no. 78. |