1Size effects in the uniaxial compressive properties of 3D printed models of rocks:an experimental investigationHao Wu, Yang Ju, Xin Han, Zhangyu Ren, Yue Sun, Yanlong Zhang, Tianyi Han1-122Determination of mining-induced stresses using diametral rock core deformationsYizhuo Li, Hani S.Mitri13-243Evaluation of the performance of yielding rockbolts during rockbursts using numerical modeling methodJun Wang, Derek B.Apel, Huawei Xu, Chong Wei25-504Effect of loading rate and time delay on the tangent modulus method(TMM)in coal and coal measured rocksZulfiqar Ali, Murat Karakus, Giang D.Nguyen, Khalid Amrouch51-635Twenty years of coal mining-induced subsidence in the Upper Silesia in Poland identified using InSARMaria Przy?ucka, Zbigniew Kowalski, Zbigniew Perski64-746Application of long-reach directional drilling boreholes for gas drainage of adjacent seams in coal mines with severe geological conditionsGrzegorz Le?niak, Daniel J.Brunner, Tomasz Topór, Ma?gorzata S?ota-Valim, Renata Cicha-Szot, Bart?omiej Jura, Jacek Skiba, Arnold Przystolik, Ben Lyddall, Grzegorz Plonka75-887The use of automatic measurement techniques in the geotechnical monitoring system of PGE GiEK S.A.,KWB Turów branchMi?osz B?k89-1008Impact of past mining on public safety:seismicity in area of flooded abandoned coal Gardanne mine,FranceDalija Namjesnik, Jannes Kinscher, Isabelle Contrucci, Emmanuelle Klein101-1119Semi-real time systems for subsidence monitoring in areas affected by underground mining:the example of the Nuraxi-Figus coal district(Sardinia,Italy)L.Ammirati, D.Di Martire, F.Bordicchia, D.Calcaterra, G.Russo, N.Mondillo112-12610Combined control of fluid adsorption capacity and initial permeability on coal permeabilityXiaolei Liu, Jianping Wei, Guoying Wei, Caifang Wu, Cao Liu, Xiaoming Ni127-13711Experimental study on the oxidation kinetics of coal in typical coal mining areas of the Southern Junggar coalfield,Xinjiang,ChinaQiang Zeng, Li Shen138-15012Gasification of lignite from Polish coal mine to hydrogen-rich gasAdam Smolinski, S?awomir Wochna, Natalia Howaniec151-16013Use of coals and wastes in a co-gasification process aimed at producing hydrogen rich gasRafa? G?sior, Adam Smoliński161-16714Development and actualization of brownfields database with the use of unmanned aerial vehicles-the case of Upper Silesia,PolandAleksandra Zgórska, Adam Hamerla, Jan Bondaruk, Pawe? Zawartka168-17715Characteristics of heavy metals in soil of lead-zinc mining areas and changes of antioxidant enzyme systems in maize leaf under Pb stressRanran Jiang, Ping Liu, Yongjian He, Yanru Cao, Xiuli Hou178-185 