Tsvetkova, T.A., I.V. Bugaenko, and L.N. Zaets. 2020. “Speed Structure of the Mantle under the Dnieper-Donets Depression and Its Surroundings. Part I”. Geofizicheskiy Zhurnal 42 (2):71-85. https://doi.org/10.24028/gzh.0203-3100.v42i2.2020.201742.