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- [4] Can anthracite mines be operated profitably on more than one shift? [J]. TRANSACTIONS OF THE AMERICAN INSTITUTE OF MINING AND METALLURGICAL ENGINEERS, 1923, 68 : 332 - 355
- [7] Profitably decontaminating sediments [J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2002, 36 (03) : 62A - 63A