Continuing project to synthesize information on highway problems.
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Washington, D.C.
Transportation Research Board, National Research Council
[1987]
|
| سلاسل: | Research results digest (National Cooperative Highway Research Program)
no. 166 |
| الموضوعات: |