Social, economic, and environmental factors of transportation 20 reports.
| Соавтор: | |
|---|---|
| Формат: | |
| Язык: | English |
| Опубликовано: |
Washington, D.C.
Highway Research Board, National Research Council
c1971.
|
| Серии: | Highway research record
no. 356. |
| Предметы: |