| 000 | 00656nam a2200241Ia 4500 | ||
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| 024 | _a134,545 | ||
| 037 | _cTextual | ||
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_aARTS _cARTS _beng |
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| 082 | _aX8(F551):89P, M0 | ||
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_aProduction systems analysis _b In underground coal mines |
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_aN York _bMcgHills _c1980 |
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