GRINČ, Michal. 3D GPR investigation of pavement using 1 GHz and 2 GHz horn type antenna – comparison of the results. Contributions to Geophysics and Geodesy, [S. l.], v. 45, n. 1, p. 25–39, 2015. DOI: 10.1515/congeo-2015-0011. Disponível em: https://journals.savba.sk/index.php/cgg/article/view/5208. Acesso em: 4 feb. 2026.