Die Kohlenwirtschaft Bulgariens /
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| OCLC: | 44477337 |
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| 主要作者: | |
| 企业作者: | |
| 语言: | German |
| 出版: |
Stuttgart,
F. Enke,
1931.
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| 主题: | |
| 格式: | Thesis Monograph Note that CRL will digitize material from the collection when copyright allows. |