Kuščer, Dušan, and Saša Orehek. “O Delovanju Slovenskega Geološkega Društva 1974-75”. Geologija 18, no. 1 (December 31, 1975): 373–374. Accessed October 27, 2026. https://www.geologija-revija.si/index.php/geologija/article/view/387.