Knez, Martin, and Tadej Slabe. “Lithostratigraphic Characteristics of the Intermittent Pivka Lakes Region and Matijeva Jama Cave Estavelle”. Acta Carsologica 34, no. 3 (April 6, 2016). Accessed May 1, 2024. https://ojs.zrc-sazu.si/carsologica/article/view/260.