ris 4: A program for relativistic isotope shift calculations. - J. Ekman; Per Jönsson; Michel R. Godefroid; C. Nazé; Gediminas Gaigalas; Jacek Bieron (Comput. Phys. Commun., 2019)

Relativistic radial electron density functions and natural orbitals from GRASP2018. - Sacha Schiffmann; J. G. Li; J. Ekman; Gediminas Gaigalas; Michel R. Godefroid; Per Jönsson; Jacek Bieron (Comput. Phys. Commun., 2022)