MARIA KUMAN. Unification of the Graviatational and Electromagnetic Fields through Nonlinear Physics. Global Journal of Science Frontier Research, [S. l.], v. 19, n. A10, p. 43–47, 2019. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/2556. Acesso em: 24 apr. 2024.