BOLLER, T. Forty Years of X-Raying Narrow-Line Seyfert 1 Galaxies. Acta Polytechnica CTU Proceedings, [S. l.], v. 1, n. 1, p. 79–83, 2014. DOI: 10.14311/APP.2014.01.0079. Disponível em: https://ojs.cvut.cz/ojs/index.php/APP/article/view/2349. Acesso em: 28 apr. 2024.