Gupta, S. P., K. Yadav, R. Ghimire, R. Khanal, and L. K. Jha. “Study of Alpha Particle Impact Double Ionization Cross Sections of Cu Atom”. Journal of Nepal Physical Society 7, no. 4 (December 31, 2021): 43–51. Accessed December 4, 2024. https://nepjol.info/index.php/JNPhysSoc/article/view/42930.