Mahecha G., J. (1986) “Calculation of $A$ and $B$ hyperfine structure factors for 31 levels of Cs II”, Revista Mexicana de Física, 33(4), pp. 513–529. Available at: https://rmf.smf.mx/ojs/index.php/rmf/article/view/1949 (Accessed: 6 July 2024).