Electron Impact Double Ionisation of Lanthenum (La++): Extension of Binary Encounter Approximation to La++ Ion. Journal of Advances and Scholarly Researches in Allied Education, [S. l.], v. 15, n. 7, p. 685–687, 2018. Disponível em: https://ignited.in/index.php/jasrae/article/view/8768.. Acesso em: 18 sep. 2024.