Qingke, N., Xilai, L., Wei, Y., Anli, W., Wei, W., Xiangxin, J., & Weidong, S. Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile. Wiley.
Chicago Style (17th ed.) CitationQingke, Nie, Li Xilai, Yuan Wei, Wang Anli, Wang Wei, Jia Xiangxin, and Shang Weidong. Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile. Wiley.
MLA (9th ed.) CitationQingke, Nie, et al. Calculation Method for the Critical Thickness of a Karst Cave Roof at the Bottom of a Socketed Pile. Wiley.
Warning: These citations may not always be 100% accurate.