OBST, M.; POTTSCHMIDT, K.; LOHFINK, A.; WILMS, J.; BÖCK, M.; SMITH, D. M.; TOMSICK, J. A.; KREYKENBOHM, I. GRS 1758–258: RXTE Monitoring of a Rare Persistent Hard State Black Hole. Acta Polytechnica, Prague, Czech Republic, v. 51, n. 6, 2011. DOI: 10.14311/1480. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1480. Acesso em: 8 apr. 2025.