Cite
APA Citation
Kynoch, D., Mitchell, J. A. J., Ward, M. J., Done, C., Lusso, E., & Landt, H. (2023). the SOUX AGN sample: SDSS–XMM-Newton optical, ultraviolet, and X-ray selected active galactic nuclei spanning a wide range of parameter space – sample definition. Monthly notices of the Royal Astronomical Society, 520(2), 2781–2805. http://access.bl.uk/ark:/81055/vdc_100177581951.0x00003d