SCHARTEL, N. Black Hole Results from XMM-Newton. Acta Polytechnica CTU Proceedings, [S. l.], v. 1, n. 1, p. 170–174, 2014. DOI: 10.14311/APP.2014.01.0170. Disponível em: https://ojs.cvut.cz/ojs/index.php/APP/article/view/2378. Acesso em: 14 apr. 2024.