Social, economic, and environmental factors of transportation 20 reports.
| مؤلف مشترك: | |
|---|---|
| التنسيق: | كتاب |
| اللغة: | English |
| منشور في: |
Washington, D.C.
Highway Research Board, National Research Council
c1971.
|
| سلاسل: | Highway research record
no. 356. |
| الموضوعات: |