Z. I. Al-Assadi and M. F. Sultan, “Comparative Study for Designing Two Optical Multilayers Stacks ThF4/AlF3 and ThF4/LiF”, Al-Mustansiriyah Journal of Science, vol. 33, no. 2, pp. 98–102, Jun. 2022, doi: 10.23851/mjs.v33i2.1114.