SULTANA, M.; KHALID, M. FORMATION OF LOPSIDED AND BAR STRUCTURES IN NON-STATIONARY GRAVITATING SYSTEMS. I- ISOTROPIC CASE. The Nucleus, [S. l.], v. 50, n. 3, p. 285–288, 2013. Disponível em: http://www.thenucleuspak.org.pk/index.php/Nucleus/article/view/757. Acesso em: 18 may. 2024.