Details Details PDF BIBTEX RIS Title Redevelopment of Fractures and Permeability Changes after Multi-Seam Mining of Shallow Closely Spaced Coal Seams Journal title Archives of Mining Sciences Yearbook 2019 Volume vol. 64 Issue No 4 Authors Liu, Zhenqi ; Zhong, Xiaoxing ; Qin, Botao ; Ren, Hongwei ; Gao, Ang Keywords shallow closely spaced coal seams ; multi-seam mining ; fracture redevelopment ; permeability changes Divisions of PAS Nauki Techniczne Coverage 671-686 Publisher Committee of Mining PAS Date 2019.12.16 Type Article Identifier DOI: 10.24425/ams.2019.129376 Source Archives of Mining Sciences; 2019; vol. 64; No 4; 671-686