ALGARNI, E. . Distances to Planetary Nebulae Using Astrometric Data of Gaia DR2. International Journal of Sciences: Basic and Applied Research (IJSBAR), [S. l.], v. 54, n. 4, p. 80–110, 2020. Disponível em: https://gssrr.org/index.php/JournalOfBasicAndApplied/article/view/11904. Acesso em: 29 apr. 2024.