References and Notes for Beryllium ( Be )

BWWI85 J. J. Bollinger, J. S. Wells, D. J. Wineland, and W. M. Itano, Phys. Rev. A 31, 2711 (1985).
FW96 J. R. Fuhr and W. L. Wiese, NIST Atomic Transition Probability Tables, CRC Handbook of Chemistry & Physics, 77th Edition, D. R. Lide, Ed., CRC Press, Inc., Boca Raton, FL (1996).
HJ69 J. E. Holmström and L. Johansson, Ark. Fys. 40, 133 (1969).
J61a L. Johansson, Ark. Fys. 20, 489 (1961). The Be II levels and ionization energy given in this reference have been decreased by 0.02 cm-1 [KM00] in accordance with a more accurate determination of the 1s22p 2P° levels [BWWI85]. The uncertainty of the 2p 2P° levels is about 0.005 cm-1. The uncertainty of the other excited levels relative to the 2s and 2p levels is about 0.2 cm-1, but the levels above 3s should, in general, be accurate within 0.10 cm-1 relative to the 3s level.
KM00 A. E. Kramida and W. C. Martin, unpublished compilation (2000).
KM97 A. E. Kramida and W. C. Martin, J. Phys. Chem. Ref. Data 26, 1185 (1997).
M03 D. C. Morton, Astrophys. J. Suppl. Ser. 149, 205 (2003).