Continuing project to synthesize information on highway problems.
| מחבר תאגידי: | |
|---|---|
| פורמט: | ספר |
| שפה: | English |
| יצא לאור: |
Washington, D.C.
Transportation Research Board, National Research Council
[1987]
|
| סדרה: | Research results digest (National Cooperative Highway Research Program)
no. 166 |
| נושאים: |