EL HAMEEDY, Muhammad A., Walid M. MABROUK, Said DAHROUG, and Ahmed M. METWALLY. “Detection of Karst Features and Associated Geohazard Using Ground Penetrating Radar and 2D Electrical Resistivity Imaging; Case Study from Sannur Protectorate, Egypt”. Contributions to Geophysics and Geodesy 53, no. 3 (October 14, 2023): 167‒190. Accessed February 4, 2026. https://journals.savba.sk/index.php/cgg/article/view/5437.