Hardware Aspects of Data Transmission in Coal Mines with Explosion Hazard. - Marek Kryca (CN, 2013)

Application of X-ray Fluorescence to Determine Qualitative Parameters of Coal. - Waldemar Sobierajski; Marek Kryca; Artur Kozlowski (Recent Advances in Automation, Robotics and Measuring Techniques, 2014)