Novak, Dušan, and Rajko Pavlovec. “O Delovanju Slovenskega geološkega društva V Letih 1966 in 1967”. Geologija 11, no. 1 (December 31, 1968): 133–134. Accessed April 25, 2024. https://www.geologija-revija.si/index.php/geologija/article/view/259.