PHYS., C. Cover 1 and Contents. Communications in Physics, [S. l.], v. 21, n. 1, 2011. DOI: 10.15625/0868-3166/21/1/3577. Disponível em: https://vjs.ac.vn/index.php/cip/article/view/3577. Acesso em: 2 may. 2024.