特厚煤层小窑采空区充填复采技术研究与应用
周保精, 徐金海, 吴锐
Research on Filling Repeated Mining Technology in Small Pit Goaf in Extremely Thick Coal Seam and Its Application
ZHOU Bao-Jing, XU Jin-Hai, WU Rui
采矿与安全工程学报 . 2012, (3): 317 -321 .