2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/118461A prominent continuum steepening is observed in quasar energy distributions near 1100A. We review possible interpretations for the origin of the so-called far-UV break, putting emphasis on those that favor the emergence of an upturn in the extreme-UV.4 pages, 3 figures, conference The central engine of AGN, Xian, China, 16-21 October 2006Astrophysicstext