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<response><item key="0"><nothing>V. P. Kosheleva, &#x410;ndrey Volotka, D. A. Glazov, S. Fritzsche, "Many-electron effects in the hyperfine splitting of lithiumlike ions", Physical Review Research, vol. 2, 2020, [DOI: 10.1103/physrevresearch.2.013364] </nothing></item></response>
