TY - JOUR AU - James Sims AU - Stanley Hagstrom C2 - Journal of Chemical Physics DA - 2014-06-11 DO - https://doi.org/10.1063/1.4881639 LA - en M1 - 140 PB - Journal of Chemical Physics PY - 2014 TI - Hylleraas-configuration-interaction nonrelativistic energies for the singlet S ground states of the beryllium isoelectronic sequence up through Z = 113 ER -