YONGDONG, W.; GUANGLONG, S.; XIUYUAN, W. Micro- and megafloral remains of namurian H-G1 zones from Zhongwei of Ningxia, China. Journal of Palaeosciences, [S. l.], v. 45, p. 224–232, 1996. DOI: 10.54991/jop.1996.1237. Disponível em: https://jpsonline.co.in/index.php/jop/article/view/1237. Acesso em: 6 may. 2024.