汪家寨矿C409复杂难采厚煤层开采方法选择及建议
高林,刘勇,吴德培,杨发明
The selection and suggestions of mining method of C409 complex and hard-mining thick coal seam in WangJiazhai coal mine
煤炭工程 . 2016, (11): 7 -10 .  DOI: 10.11799/ce201611003