Markič, Miloš, and Mihael Brenčič. “High Arsenic (As) Content in the Upper Miocene Coal Matter from TER-1 03 Borehole (Terbegovci - Sveti Jurij Ob Ščavnici, NE Slovenia)”. Geologija 57, no. 1 (June 30, 2014): 15–25. Accessed October 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/1284.