PATAT, F.; CARRARO, G.; ROMANIELLO, M. Serendipitous discovery of a tidal tail in NGC632. Gjornâl Furlan des Siencis - Friulian Journal of Science, Udine, Italy, v. 1, n. 2, p. 25–38, 2002. Disponível em: https://www.gfs-fjs.net/index.php/gsf/article/view/21. Acesso em: 7 jun. 2025.