MARKOULAKIS, Emmanouil N. Superluminal graviton condensate vacuum. International Journal of Physical Research, [S. l.], v. 12, n. 2, p. 45–61, 2024. DOI: 10.14419/bmr9g725. Disponível em: https://sciencepubco.com/index.php/IJPR/article/view/32781.. Acesso em: 28 apr. 2025.