ZHANG, Z.; PANG, W.; ZHANG, L.; JIAO, P.; WANG, X. Mineral Composition and Brittleness of Lower Cambrian Niutitang Formation Shale in Northwest Hunan. Journal of Mines, Metals and Fuels, [S. l.], v. 65, n. 10, p. 556–562, 2017. DOI: 10.18311/jmmf/2017/26968. Disponível em: https://www.informaticsjournals.com/index.php/jmmf/article/view/26968. Acesso em: 10 may. 2024.