Lemes , P.F. , Rodrigues , I. e Abans , M.F. (2020) “The polar ring galaxy AM 2040-620 and its possible companion ”, Physicae Proceedings, 1(1), p. 13–14. Disponível em: https://econtents.sbu.unicamp.br/eventos/index.php/phyproceedings/article/view/3219 (Acesso em: 11 dezembro 2025).