Keyword methane
 

Investigations of methane content in lignite coals

Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2007;23(Zeszyt specjalny 1):21–28
 

Utilization of energy from the coal beds

Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2007;23(Zeszyt specjalny 1):257–264
 

Geochemical analyses of ground air within the hole exploitation of Hard Coal Mine KWK Morcinek

Gospodarka Surowcami Mineralnymi – Mineral Resources Management 2008;24(3):343–351
 
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