TAHIRKHELI, R. A. K. Phosphatic Mineralization as a Basis for Stratigraphic Correlation. Journal of Himalayan Earth Sciences, [S. l.], v. 6, n. 1, p. 117-119, 1971. Disponível em: http://ojs.uop.edu.pk/jhes/article/view/1115. Acesso em: 29 nov. 2024.