De Capoa, Paola, and Rajka Radoičić. “Calcareous Nannofossils in Middle Triassic (Anisian) - A Preliminary Note –”. Geologija 34, no. 1 (December 31, 1991): 77–79. Accessed May 2, 2024. https://www.geologija-revija.si/index.php/geologija/article/view/661.