@article{16476,
  author = {James Sims and Stanley Hagstrom},
  title = {Hylleraas-configuration-interaction nonrelativistic energies for the singlet S ground states of the beryllium isoelectronic sequence up through Z = 113},
  year = {2014},
  number = {140},
  month = {2014-06-11},
  publisher = {Journal of Chemical Physics},
  doi = {https://doi.org/10.1063/1.4881639},
  language = {en},
}