Kępiński, M. 2020. Determination of stress state based on well logging data and laboratory easurements – a CBM well in the southeastern part of the Upper Silesian Coal Basin (Poland). Geology, Geophysics and Environment. 46, 2 (Oct. 2020), 77. DOI:https://doi.org/10.7494/geol.2020.46.2.77.