JAN, M. Q.; FARUQI, S. H. Khewra Trap: An Unusual Ultrapotassic Rock in the Salt Range of Pakistan. Journal of Nepal Geological Society, [S. l.], v. 11, p. 237–252, 1995. DOI: 10.3126/jngs.v11i0.32799. Disponível em: https://nepjol.info/index.php/JNGS/article/view/32799. Acesso em: 27 sep. 2024.