Transportation analysis past and prospects ; 5 reports.
| स्वरूप: | पुस्तक |
|---|---|
| भाषा: | English |
| प्रकाशित: |
Washington, D.C.
Highway Research Board, National Research Council
1970.
|
| श्रृंखला: | Highway Research Record
Number 309 |
| विषय: |