Khudher, H. H., A. K. Hasan, and F. I. Sharrad. “Calculation of Energy Levels, Transition Probabilities, and Potential Energy Surfaces for 120−126Xe Even-Even Isotopes”. Ukrainian Journal of Physics, vol. 62, no. 2, Dec. 2018, p. 152, doi:10.15407/ujpe62.02.0152.