Ilias, Nicolae; Andras, Iosif; Radu, Sorin; Chiril, Gheorghe; Teseleanu, George; Rotea, Oana; Gruneantu, Iosif
(IEFS, 2012)
Coal deposits forma Jiu Valley coalfield have in their structure big quantities of methane, that is being diluted in the process of exploitation through the ventilation system, this way being reduced the risk of explosions. ...