He, F., Li, X., He, W., Zhao, Y., Xu, Z., & Li, Q. The Key Stratum Structure Morphology of Longwall Mechanized Top Coal Caving Mining in Extra-Thick Coal Seams: A Typical Case Study. Wiley.
Chicago Style (17th ed.) CitationHe, Fulian, Xiaobin Li, Wenrui He, Yongqiang Zhao, Zhuhe Xu, and Quansheng Li. The Key Stratum Structure Morphology of Longwall Mechanized Top Coal Caving Mining in Extra-Thick Coal Seams: A Typical Case Study. Wiley.
MLA (9th ed.) CitationHe, Fulian, et al. The Key Stratum Structure Morphology of Longwall Mechanized Top Coal Caving Mining in Extra-Thick Coal Seams: A Typical Case Study. Wiley.
Warning: These citations may not always be 100% accurate.