KHALIL, M.; SAID, M.; OSMAN, H.; YOUNIS, N.; KHALED, N.; AMR, Y.; A. MOHAMED, N.; IBRAHIM, A. Dark comets: the cosmic catastrophic threat to earth. International Journal of Advanced Astronomy, [S. l.], v. 8, n. 1, p. 27–28, 2020. DOI: 10.14419/ijaa.v8i1.30740. Disponível em: https://sciencepubco.com/index.php/IJAA/article/view/30740.. Acesso em: 27 apr. 2024.