ZHONG-CHENG LIANG. Motion of Elastic Particles and Spectrum of Hydrogen Atoms. Global Journal of Science Frontier Research, [S. l.], v. 19, n. F4, p. 19–28, 2019. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2559. Acesso em: 7 may. 2024.