Theilen-Willige B. Overview of Circular Structures of Various Origins and Sizes in Egypt as a Contribution to Natural Hazard Data Mining Based on Remote Sensing Data and Geoinformation Systems (GIS) Analysis. Prev. Treat. Nat. Disaster [Internet]. 2023 Dec. 29 [cited 2024 May 21];2(2):7-19. Available from: https://ojs.ukscip.com/index.php/ptnd/article/view/167