“…Among the more recent efforts we mention the work by Hibbert [8], Migdalek and Baylis [9], Migdalek and Bojara [10], Das and Idrees [11], Chou and Huang [12], Chou et al [13], Lavin and Martin [14], Biémont and Zeippen [15] and Biémont et al [16]. To the knowledge of the authors hyperfine structures and isotope shifts have so far not been theoretically investigated.…”