FISCALETTI, D.; SORLI, A. Quantum Relativity: Variable Energy Density of Quantum Vacuum as the Origin of Mass, Gravity and the Quantum Behaviour. Ukrainian Journal of Physics, [S. l.], v. 63, n. 7, p. 623, 2018. DOI: 10.15407/ujpe63.7.623. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2018206. Acesso em: 16 may. 2021.