“Geochemical Typization and Sources of Melts of the Neoarchean Ultra-Potassic Rhyolites of the Kursk Block, Voronezh Crystalline Massif”. Proceedings of Voronezh State University. Series: Geology, no. 1 (January 16, 2018): 46–57. Accessed April 4, 2026. https://journals.vsu.ru/geology/article/view/1428.