Hu, Y., Xinlong, X., Penggao, Z., Zhen, L., Ruihua, W., Junqiao, L., & Shilong, X. Bit selection method based on the rock drillability characteristics and principal component analysis of rock-breaking indicators. Elsevier.
Chicago Style (17th ed.) CitationHu, Yang, Xian Xinlong, Zhou Penggao, Li Zhen, Wei Ruihua, Liang Junqiao, and Xiong Shilong. Bit Selection Method Based on the Rock Drillability Characteristics and Principal Component Analysis of Rock-breaking Indicators. Elsevier.
MLA (9th ed.) CitationHu, Yang, et al. Bit Selection Method Based on the Rock Drillability Characteristics and Principal Component Analysis of Rock-breaking Indicators. Elsevier.
Warning: These citations may not always be 100% accurate.