Deformation-monitoring of underground-openings by photographic techniques. By James R. McVey [u.a.]
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| 主要作者: | |
|---|---|
| 格式: | 图书 |
| 语言: | 英语 |
| 出版: |
Washington
U.S. Bureau of mines
1974
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| 丛编: | Report of investigations
Nr 7912 |
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