Jelen, Bogomir, and Helena Rifelj. “Stratigraphic Structure of the B1 Tertiary Tectonostratigraphic Unit in Eastern Slovenia ”. Geologija 45, no. 1 (June 30, 2002): 115–138. Accessed October 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/940.