Social, economic, and environmental factors of transportation 20 reports.
| Údar corparáideach: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Washington, D.C.
Highway Research Board, National Research Council
c1971.
|
| Sraith: | Highway research record
no. 356. |
| Ábhair: |