Zhen, E., Gao, Y., Wang, Y., & Wang, S. Comparative Study on Two Types of Nonpillar Mining Techniques by Roof Cutting and by Filling Artificial Materials. Wiley.
Chicago Style (17th ed.) CitationZhen, Enze, Yubing Gao, Yajun Wang, and Siming Wang. Comparative Study on Two Types of Nonpillar Mining Techniques by Roof Cutting and by Filling Artificial Materials. Wiley.
MLA (9th ed.) CitationZhen, Enze, et al. Comparative Study on Two Types of Nonpillar Mining Techniques by Roof Cutting and by Filling Artificial Materials. Wiley.
Warning: These citations may not always be 100% accurate.