New transportation systems and concepts 12 reports.
| निगमित लेखक: | |
|---|---|
| स्वरूप: | पुस्तक |
| भाषा: | English |
| प्रकाशित: |
Washington, D.C.
Highway Research Board, National Research Council
1971.
|
| श्रृंखला: | Highway research record
no. 367. |
| विषय: |