OGORELEC, B.; ŠRIBAR, L.; BUSER, S. On Lithology and Biostratigraphy of Volče Limestone. Geologija, [S. l.], v. 19, n. 1, p. 125–151, 1976. Disponível em: https://www.geologija-revija.si/index.php/geologija/article/view/401. Acesso em: 1 dec. 2022.