Guo, G., & Yang, Y. The Study of Key Stratum Location and Characteristics on the Mining of Extremely Thick Coal Seam under Goaf. Wiley.
Chicago Style (17th ed.) CitationGuo, Gaochuan, and Yongkang Yang. The Study of Key Stratum Location and Characteristics on the Mining of Extremely Thick Coal Seam Under Goaf. Wiley.
MLA (9th ed.) CitationGuo, Gaochuan, and Yongkang Yang. The Study of Key Stratum Location and Characteristics on the Mining of Extremely Thick Coal Seam Under Goaf. Wiley.
Warning: These citations may not always be 100% accurate.