PONTA, Gheorghe M.L.; URSU, Victor; PERLIK, Romeo A. Highlights of Romanian Caves and Karst. Georgian Geographical Journal, [S. l.], v. 6, n. 1, p. 59–66, 2026. DOI: 10.52340/ggj.2026.06.01.08. Disponível em: https://journals.4science.ge/index.php/GGJ/article/view/5012. Acesso em: 6 aug. 2026.