EL HAMEEDY, M. A., W. M. MABROUK, S. DAHROUG, and A. 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, Vol. 53, no. 3, Oct. 2023, p. 167‒190, doi:10.31577/congeo.2023.53.3.1.