Relativistic correlation correction to the binding energies of the ground configuration of beryllium-like, neon-like, magnesium-like and argon-like ionsJ. P. Santos, G. C. Rodrigues, J. P. Marques, F. Parente, J. P. Desclaux and P. IndelicatoEur. Phys. J. D, 37 2 (2006) 201-207DOI: https://doi.org/10.1140/epjd/e2006-00002-x