Traffic research problem statements : presented at the 31st annual meeting, January 14-18, 1952.
| Corporate Author: | |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Washington,
[publisher not identified] ;
1952.
|
| Series: | Special report (National Research Council (U.S.). Highway Research Board) ;
3. |
| Subjects: |
| Physical Description: | 33 pages |
|---|