Jasim, M. G., and Q. A. Abbas. “Influence of the Homogeneous Magnetic Field of the Laser-Induced Breakdown Spectroscopy of Copper Plasma”. Iraqi Journal of Science, Vol. 59, no. 4C, Dec. 2018, pp. 2217-24, https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/550.