Transportation for the disadvantaged 4 reports ; prepared for the 52nd Annual Meeting.
| מחבר תאגידי: | |
|---|---|
| פורמט: | ספר | 
| שפה: | English | 
| יצא לאור: | Washington, D.C.
          Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences-National Academy of Engineering
    
        1973. | 
| סדרה: | Highway research record
              no. 473. | 
| נושאים: |