Progress report of an HRB-AASHTO joint study of maintenance and operations personnel.
| Aineistotyyppi: | Kirja |
|---|---|
| Kieli: | English |
| Julkaistu: |
Washington, D.C.
Highway Research Board, National Research Council
[1973]
|
| Sarja: | Highway Research Circular
no. 153. |
| Aiheet: |