Chemical abundance of z ~ 6 quasar broad-line regions in the XQR-30 sample
Citation
Lai, S, Bian, F, Onken, C et al. 2022, 'Chemical abundance of z ~ 6 quasar broad-line regions in the XQR-30 sample', Monthly Notices of the Royal Astronomical Society, vol. 513, no. 2, pp. 1801-1819.