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D06                                               Not explained in the paper
D07  2007ApJS..170..251D Drake & Morton
D80  1980JPhB...13.2051D Danzmann & Kock
F02                      Froese Fischer           2002, Method: MCDHF (ab initio)
F88                      Fuhr et al.              1988, J.Phys.Chem.Ref.Data 17, Suppl 4
F85  1985PhyS...32..181F Froese Fischer & Saha
G57  1957MNRAS.117..393G Garstang
G58a 1958MNRAS.118..572G Garstang
G58b 1958MNRAS.118..234G Garstang
G62  1962MNRAS.124..321G Garstang
G84  1984JPhB...17..681G Godefroid & Fischer
H74  1974A&A....34..275H Heise
K                        Kurucz                   unpublished extrapolations
K75  1975SAOSR.362.....K Kurucz & Peytremann
K88                      Kurucz                   1988, Trans IAU XXB M McNally, ed., Dordrecht: Kluwer, 168
K88m                     Kurucz                   Data base for molecules: http://kurucz.harvard.edu/LINELISTS/
K95                                               Not explained in the paper
K98                                               Not explained in the paper
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R89                                               Not explained in the paper
R96  1996MNRAS.279L..37R Roueff
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S03                                               Not explained in the paper
T02  2002A&A...385..716T Tachiev & Froese Fischer
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W69  1969atp..book.....W Wiese et al.
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