Relations Between Productivity of CBM Vertical Wells and Coal Structure in Encun Mine Field
NI Xiao-Ming, CHEN Peng, LI Guang-Sheng, ZHANG Yi-Sheng
Natural Gas Geoscience . 2010, (3): 508 -512 .  DOI: 10.11764/j.issn.1672-1926.2010.03.508