Details Details PDF BIBTEX RIS Title The Effectiveness of the Methane Drainage of Rock-Mass with a U Ventilation System Journal title Archives of Mining Sciences Yearbook 2016 Issue No 3 Authors Szlązak, Nikodem ; Swolkień, Justyna Divisions of PAS Nauki Techniczne Publisher Committee of Mining PAS Date 2016 Identifier DOI: 10.1515/amsc-2016-0044 ; ISSN 0860-7001 Source Archives of Mining Sciences; 2016; No 3 References Szlązak (2012), Impact of coal output concentration on methane emission to longwall faces of No, Archives Mining Sciences, 57. ; Berger (2010), Influence of Distance of Exploitational Front from Drainage Boreholes on their Efficiency with Use of the U Ventilation System of No, Archives Mining Sciences, 55. ; Skotniczy (2013), Three - dimensional numerical simulation of the mass exchange between longwall headings and goafs , in the presence of methane drainage in a U - type ventilated longwall of No, Archives Mining Sciences, 58.