Chen, A. Width Design of Small Coal Pillar of Gob-Side Entry Driving in Soft Rock Working Face and Its Application of Zaoquan Coal Mine. Wiley.
Chicago Style (17th ed.) CitationChen, Ai. Width Design of Small Coal Pillar of Gob-Side Entry Driving in Soft Rock Working Face and Its Application of Zaoquan Coal Mine. Wiley.
MLA (9th ed.) CitationChen, Ai. Width Design of Small Coal Pillar of Gob-Side Entry Driving in Soft Rock Working Face and Its Application of Zaoquan Coal Mine. Wiley.
Warning: These citations may not always be 100% accurate.