Knez, Martin, in Tadej Slabe. „Unroofed Caves and Recognising Them in Karst Relief (Discoveries During Motorway Construction at Kozina, South Slovenia)“. Acta Carsologica 28, no. 2 (junij 1, 2016). Pridobljeno julij 18, 2024. https://ojs.zrc-sazu.si/carsologica/article/view/486.