Hussein, B. J., Hashim, I. H. and Nasrallah, D. A. (2017) “Ion Beam Focusing in Solenoid Magnetic Field”, Ibn AL-Haitham Journal For Pure and Applied Sciences, 27(3), pp. 291–299. Available at: https://jih.uobaghdad.edu.iq/index.php/j/article/view/295 (Accessed: 27 June 2022).