Buser, Stanko. “The Age of the Strata With the Alga Sphaerocodium Bornemanni Rothpletz in the Slovene External Dinarids”. Geologija 9, no. 1 (December 31, 1966): 385–389. Accessed March 3, 2024. https://www.geologija-revija.si/index.php/geologija/article/view/229.