K-shell width, fluorescence yield, and Kβ/ Kαintensity ratio calculation for Fe in the Dirac-Fock approach,
Marques, J. P., Guerra M., Parente F., Santos J. P., Indelicato P., and Sampaio J. M.
, Journal of Physics: Conference Series, Sep 07, Volume 635, Number 9, p.092094-2, (2015)