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H.  Pathak, Ghosh, A., Sahoo, B. K., Das, B. P., Vaval, N., and Pal, S., ?Relativistic equation-of-motion coupled-cluster method for the double-ionization potentials of closed-shell atoms?, Physical Review A, vol. 90, no. 1, p. Article No. 010501, 2014.

M.  Das, Sahoo, B. K., and Pal, S., ?Relativistic spectroscopy of plasma-embedded Li-like systems with screening effects in two-body Debye potentials?, Journal of Physics B-Atomic Molecular and Optical Physics, vol. 47, no. 17, p. 175701, 2014.

H.  Pathak, Sahoo, B. K., Sengupta, T., Das, B. P., Vaval, N., and Pal, S., ?Relativistic equation-of-motion coupled-cluster investigation of the trends of single and double ionization potentials in the He and Be isoelectronic systems?, Journal of Physics B-Atomic Molecular and Optical Physics, vol. 48, no. 11, p. 115009, 2015.