Guainazzi, Matteo. “Cosmological Evolution of the Central Engine in High-Luminosity, High-Accretion Rate AGN”. Acta Polytechnica CTU Proceedings 1, no. 1 (December 4, 2014): 90–95. Accessed May 6, 2024. https://ojs.cvut.cz/ojs/index.php/APP/article/view/2352.