An introduction to the design of underground openings for defense
| 主要作者: | |
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| 格式: | 图书 |
| 语言: | English |
| 出版: |
Golden
s.n.
1951.
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| 丛编: | Quarterly of the Colorado School of Mines
v.46, no.1 |
| 主题: |
| 主要作者: | |
|---|---|
| 其他作者: | |
| 格式: | 图书 |
| 语言: | English |
| 出版: |
Golden
s.n.
1951.
|
| 丛编: | Quarterly of the Colorado School of Mines
v.46, no.1 |
| 主题: |