CHRISTOPHERSON, Christopher; KALTCHEVA, Nadia. Observing Nebulosities: The Cygnus Superbubble. Proceedings of the Wisconsin Space Conference, [S. l.], 2016. DOI: 10.17307/wsc.v0i0.151. Disponível em: https://dione.carthage.edu/ojs/index.php/wsc/article/view/151. Acesso em: 5 may. 2024.