Bridges 10 reports.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
Highway Research Board, National Research Council
1969.
|
| Saila: | Highway research record
no. 295. |
| Gaiak: |