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| Utgitt
| New York, N.Y. : Society of Mining Engineers of the American Institute of Mining, Metallurgical, and Petroleum Engineers , 1981
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| Omfang
| |
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| Opplysninger
| Bidrag fra: International Conference on Caving and Sublevel Stoping, Denver, Colorado, 1981.
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| Emner
| |
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| ISBN
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