METHOD AND APPARATUS FOR WORKING MINERAL STRATA von PONOMARENKO PAVEL I,SU, TURIK VLADIMIR F,SU, ZILBERMAN ANATOLIJ I,SU, BOKOV ALEKSANDR S,SU, KRYLOVA ELENA V,SU, GLUKHANYUK ANATOLIJ V,SU, GRETSINGER ALEKSANDR B,SU, IVASHCHENKO NATALIYA G,SU, MIROSHNICHENKO IGOR A,SU

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