T. Dolenec, B. Ogorelec, and J. Pezdič, “Upper Permian and Scythian beds in the Tržič area”, geologija, vol. 24, no. 2, pp. 217–238, Dec. 1981, Accessed: Oct. 26, 2026. Available: https://www.geologija-revija.si/index.php/geologija/article/view/492