Contribution à l'étude de certains schistes houillers.
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| OCLC: | 41209204 |
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| 主要作者: | |
| 语言: | French |
| 出版: |
[1952]
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| 主题: | |
| 格式: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |