Tsvetkova, T. A., and I. V. Bugaenko. “Seismotomography of the Mantle under the East European Platform: Mantle Velocity Boundaries”. Geofizicheskiy Zhurnal 34, no. 5 (October 1, 2012): 161–172. Accessed November 23, 2024. https://journals.uran.ua/geofizicheskiy/article/view/116672.