POPOV, P. Grid Physics: The Geometric Unification of Fundamental Interactions via Vacuum Impedance. IPI Letters, [S. l.], v. 4, n. 1, p. 13–25, 2026. DOI: 10.59973/ipil.305. Disponível em: https://ipipublishing.org/index.php/ipil/article/view/305. Acesso em: 27 jan. 2026.