Progress report of TRB-AASHTO joint commitee on maintenance and operations personnel
| Corporate Authors: | , |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Washington, D.C.
Transportation Research Board
1974.
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| סדרה: | Transportation Research Circular
no. 162 |
| נושאים: |