Chojnowski, S Drew ; Hubrig, Swetlana ; Nidever, David L... S Drew Chojnowski, Swetlana Hubrig, David L Nidever, Ewa Niemczura, Jonathan Labadie-Bartz, Gautier Mathys, Sten Hasselquist, Confident detection of doubly ionized thorium in the extreme Ap star CPD-62° 2717, Monthly Notices of the Royal Astronomical Society, Volume 522, Issue 4, July 2023, Pages 5931–5945, https://doi.org/10.1093/mnras/stad1355.
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2023