Reader, J.
, Kramida, A.
and Ralchenko, Y.
(2010),
Atomic Spectroscopic Databases at NIST, Proceedings of the 2010 NASA Laboratory Astrophysics Workshop , Gatlinburg, TN, US, [online], https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=907527
(Accessed November 14, 2025)