DR. LEO G. SAPOGIN. An Unitary Unified Quantum Field Theory. Global Journal of Science Frontier Research, [S. l.], v. 11, n. 4, p. 47–74, 2011. Disponível em: https://journalofscience.org/index.php/GJSFR/article/view/246. Acesso em: 3 may. 2024.