Reports on roads and transport planning in tropical and sub-tropical countries
| 主要作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Crowthorne, [Eng.]
Transport and Road Research Laboratory
1979.
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| 版: | 2d rev. |
| 丛编: | Supplementary report - Transport and Road Research Laboratory
no. 162 Rev.2 |