Coal mining technology theory and practice
| Egile nagusia: | |
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| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York, N.Y.
Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers
1983.
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| Gaiak: |