XU, D.; FENG, T.; YANG, J.; QIN, Z. Experimental Study on Prevention and Control of Coal-Bed Methane (CBM) Through Mining of the Protective Seam of Multiple Coal Seams. Journal of Mines, Metals and Fuels, [S. l.], v. 65, n. 10, p. 521–523, 2017. DOI: 10.18311/jmmf/2017/26961. Disponível em: https://informaticsjournals.com/index.php/jmmf/article/view/26961. Acesso em: 8 may. 2024.