Савко, К.А., Цыбуляев, С.В. and Червяковская, М.В. 2019. Paleoproterozoic andesite porphyrites, Kursk block, Eastern Sarmatia: geochemistry and sources of melts. Proceedings of Voronezh State University. Series: Geology. 1 (Feb. 2019), 26-38. DOI:https://doi.org/10.17308/geology.2019.1/1701.