Kralj, Polona. “Volcaniclastic Rocks in Borehole Tdp-1 84 Trobni Dol, Eastern Slovenia ”. Geologija 41, no. 1 (December 31, 1998): 135–155. Accessed October 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/800.