Ramola, Y., C. N. Louis, and A. Amalraj. “Electronic Band Structure, Density of States, Phase Transitions, Metallization and Superconducting Transition of KBr under High Pressure”. Orbital: The Electronic Journal of Chemistry, Vol. 12, no. 2, June 2020, pp. 69-75, https://periodicos.ufms.br/index.php/orbital/article/view/15750.