GREFA, Joaquín Valerio; MARÍN, Carlos A. Calculation of radar signals delay to second order in the frame of the General Relativity Theory. ACI Avances en Ciencias e Ingenierías, [S. l.], v. 6, n. 1, 2014. DOI: 10.18272/aci.v6i1.147. Disponível em: https://revistas.usfq.edu.ec/index.php/avances/article/view/147. Acesso em: 29 apr. 2026.