Jianguang Niu, Chunyan Gao, D. G. Y. S. X. L. (2021) “Experimental Study on Slag Discharge of Sandstone in Small-Angle Reverse Drilling and Reaming”, Forest Chemicals Review, pp. 974-988. Available at: http://forestchemicalsreview.com/index.php/JFCR/article/view/260 (Accessed: 12May2024).