Irregularities in Energy Sequences of Ni- Like Ions. Applications to Wavelengths Calculations of the Self-Photo Pumped 4f1P1 ? 4d 1P1 X-ray Laser Transition. Global Journal of Science Frontier Research, [S. l.], v. 17, n. F6, p. 9–23, 2017. Disponível em: https://www.journalofscience.org/index.php/GJSFR/article/view/101236. Acesso em: 5 feb. 2026.