Traffic attraction of rural outdoor recreational areas
| 主要作者: | |
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| 格式: | 圖書 |
| 語言: | English |
| 出版: |
[Washington]
Highway Research Board, Division of Engineering, National Research Council, National Academy of Sciences--National Academy of Engineering
1967.
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| 叢編: | Report (National Cooperative Highway Research Program)
44. |
| 主題: |