References and Notes for Einsteinium ( Es )

BW92b J. Blaise and J.-F. Wyart, Energy Levels and Atomic Spectra of Actinides, International Tables of Selected Constants 20, Paris (1992). Also available at http//www.lac.u.psud.fr/Database/Contents.html.
CNWM70 T. A. Carlson, C. W. Nestor, Jr., N. Wasserman, and J. D. McDowell, At. Data 2, 63 (1970).
S74 J. Sugar, J. Chem. Phys. 60, 4103 (1974).
WLGC74 E. F. Worden, R. W. Lougheed, R. G. Gutmacher, and J. G. Conway, J. Opt. Soc. Am. 64, 77 (1974).