Szabó, Imre, and János Vincze. “U-Be-Bearing and Mn-Ore Associated Posphate Mineralization of the Rhyolite (quartzporphyry)-Tuff, at Bükkszentkereszt (NE Hungary)”. Földtani Közlöny 143, no. 1 (January 15, 2020): 3-28. Accessed April 20, 2025. https://ojs3.mtak.hu/index.php/foldtanikozlony/article/view/2315.