Transportation for the disadvantaged 4 reports ; prepared for the 52nd Annual Meeting.
| 企业作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Washington, D.C.
Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences-National Academy of Engineering
1973.
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| 丛编: | Highway research record
no. 473. |
| 主题: |