PUTIŠKA, René; NIKOLAJ, Maroš; DOSTÁL, Ivan; KUŠNIRÁK, David. Determination of cavities using electrical resistivity tomography. Contributions to Geophysics and Geodesy, [S. l.], v. 42, n. 2, p. 201–211, 2012. DOI: 10.2478/v10126-012-0018-3. Disponível em: https://journals.savba.sk/index.php/cgg/article/view/5161. Acesso em: 4 feb. 2026.