Coal mine of 21st century : in-situ producer of energy, fuels and chemicals / Jใaozef Dubiใanski ... [et al.] -- Underground coal mining in Russia at the beginning of the 21st century and its prospects / V.G. Gridin ... [et al.] -- Methods of extraction of thin and rather thin coal seams in the works of the scientists of the Underground Mining Faculty (National Mining University) / Volodymyr Bondarenko, Roman Dychkovskiy -- Minimizing coal losses when extracting thin coal seams with the use of auger mining technologies / Iryna Kovalevska -- Geomechanics : history, modern state and prospects of development / Olexandr Shashenko, Tadeusz Majcherczyk -- Speed of roof rock separation and a type of working's support / Tadeusz Majcherczyk, Piotr Maซkowski, Zbigniew Niedbalski -- The use of pre-stressed tendons in the Polish coal mining industry / Zbigniew Rak, Jerzy Stasica, Michaซ Stopyra -- Contribution to the prediction of ground surface movements caused by a rising water level in a flooded mine / Anton Sroka -- A geophysical model for the analysis of seismic emissions in the area of rock beam splitting caused by mining operations / Henryk Marcak --