Suyarko, V. G., Ishchenko, L. V., Yerofieiev, A. M., Sukhov, V. V. and Shmorh, Y. S. (2020) “Heavy metals in oils and formation of bitumen-hydrothermal associations in the rocks of the Dnieper-Donetsk paleorift”, Visnyk of V. N. Karazin Kharkiv National University, series "Geology. Geography. Ecology", (52), pp. 93-102. doi: 10.26565/2410-7360-2020-52-07.