SULTAN, S. A. Mineralogical investigations of the phosphatic nodules from Warchha sandstone, salt range with emphasis on replacement process. Journal of Himalayan Earth Sciences, [S. l.], v. 37, n. 1, p. 65-75, 2004. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1575. Acesso em: 29 dec. 2024.