RAWAL, J. J. .; NIKOURAVAN, B. ‎ Are there rings around Pluto?‎: Physics. International Journal of Fundamental Physical Sciences, [S. l.], v. 1, n. 1, p. 6-10, 2011. DOI: 10.14331/ijfps.2011.330002. Disponível em: https://www.fundamentaljournals.org/index.php/ijfps/article/view/74. Acesso em: 18 jan. 2022.