Cite
MLA Citation
Dirk Grupe et al.. “Swift, NuStar, and XMM–Newton observations of the NLS1 galaxy RX J2317.8–4422 in an extreme X-ray low flux state.” Monthly notices of the Royal Astronomical Society, vol. 486, no. 1, 2019, pp. 227–235. http://access.bl.uk/ark:/81055/vdc_100094048306.0x000045