Devices for measuring ventilation parameters and methane concentration as well as concept of complex monitoring of methane hazard in longwall area Journal title: Mining – Informatics, Automation and Electrical Engineering Authors: Jerzy Mróz, Dariusz Felka, Adam Broja, Marcin Małachowski Subject(s):
Integrated system for monitoring and analysis of methane hazards in the longwall area Journal title: Mining – Informatics, Automation and Electrical Engineering Authors: Zdzisław Krzystanek, Jerzy Mróz, Stanisław Trenczek Subject(s):
Methane emissions in selected hard-coal mines of the Upper Silesian Coal Basin in 1997–2016 Journal title: Geology, Geophysics & Environment Authors: Marcin Dreger Subject(s):