The coal resources of the world : an inquiry made upon the initiative of the Executive Committee of the XII International Geological Congress, Canada, 1913 : with the assistance of geological surveys and mining geologists of different countries /
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| 団体著者: | |
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| その他の著者: | , , |
| フォーマット: | 会議録 図書 |
| 言語: | English |
| 出版事項: |
Toronto :
Morang,
1913.
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| 主題: |