Proceedings 1981 Rapid Excavation and Tunneling Conference, San Francisco, California, May 3-7, 1981
| Corporate Authors: | , , |
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| 其他作者: | , |
| 格式: | 圖書 |
| 語言: | English |
| 出版: |
New York, N.Y.
Society of Mining Engineers of AIME
1981.
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| 主題: |


