The Chandra view of the relation between X-ray and UV emission in quasars S. Bisogni, E. Lusso, F. Civano, E. Nardini, G. Risaliti, M. Elvis and G. Fabbiano A&A, 655 (2021) A109 Published online: 01 December 2021 DOI: 10.1051/0004-6361/202140852