Thermal condition of rock massif in north-western part of Upper Silesian Coal Basin and possibility of hydrocarbon generation

Authors: K. Probierz, M. Lewandowska

The influence of the depth of an exploited seam on stresses around the shaft

Authors: T. Majcherczyk, M. Lubryka

A constant-temperature anemometer (CTA) with a means of eliminating the effects of cable resistance on the probe overheat ratio

Author: P. Ligeza

Method of estimating load capacity of arch support steel sets based on the limit load capacity theory

Author: D. Domańska

The risk of mining resulting from methane hazard

Author: E. Cichowski

The effect of surface-active compounds on the tensile strength of limestone and porphyry particles

Authors: M. Brożek, E. Oruba-Brożek