Cioacӑ A, Dinu M. Geomorphological hazards. Lignite mining and the newly-built relief in the North of Oltenia (Romania). Geog. Fis. Dinam. Quat. 1995;18(1):3-6. Accessed May 30, 2026. https://www.gfdq.glaciologia.it/index.php/GFDQ/article/view/654