Oșlobanu, Constantin, and Mircea Alexe. “Built-up Area Analysis Using Sentinel Data in Metropolitan Areas of Transylvania, Romania”. Hungarian Geographical Bulletin 70, no. 1 (April 6, 2021): 3-18. Accessed April 25, 2024. https://ojs3.mtak.hu/index.php/hungeobull/article/view/5278.