GEOPHYSICAL AND GEOTECHNICAL EXPLORATIONS ON THE FORTRESS ISAR – ŠTIP. Geologica Macedonica, [S. l.], v. 33, n. 2, p. 147–158, 2019. Disponível em: https://js.ugd.edu.mk/index.php/GEOLMAC/article/view/3328. Acesso em: 3 may. 2026.