N, A.; M.Z, Z. H-Alpha Spectra of Early and Late Types Stars. Malaysian Journal of Science, [S. l.], v. 22, n. 2, p. 1157–161, 2003. Disponível em: http://ojie.um.edu.my/index.php/MJS/article/view/8531. Acesso em: 16 nov. 2024.