BERMAN, M. S. Simple Model with Time-Varying Fine-Structure "Constant’’. Revista Mexicana de Astronomía y Astrofísica, [S. l.], v. 45, n. 2, 2010. Disponível em: https://journals.unam.mx/index.php/revmexaa/article/view/20592. Acesso em: 18 may. 2024.