MINE DEGASIFICATION AS BASIC SAFETY ELEMENT IN THE UNDERGROUND PARTS OF GASSY COAL MINES IN THE OSTRAVA – KARVINÁ COALFIELD by Vlastimil Hudeček, Petr Urban, Pavel Zapletal

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NEW RECOMMENDATIONS IN THE AREA OF PREDICTION AND PREVENTION OF ROCK AND GAS OUTBURSTS IN THE CZECH REPUBLIC by Vlastimil Hudeček, Pavel Zapletal, Milan Stoniš, Radislav Sojka

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Strength and Deformation of Pillars during Mining in the Shaft Pillar by Jindřich Šancer, Vladimír Petroš, Vlastimil Hudeček, Pavel Zapletal

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AIR CONDITIONING IN MINES IN THE CZECH REPUBLIC AND UKRAINE by Pavel Zapletal, Vlastimil Hudeček, Helena Trčkova, Martin Štemberka, Vitaly Trofimov

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NEW METHOD OF GAS DRAINAGE AS A SOLUTION OF DANGER PHENOMENA IN UNDERGROUND COAL MINES by Pavel Zapletal, Jaroslava Koudelková, Václav Zubíček, Tomáš Kráľ, Andrea Mokrošová

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