Tsvetkova, T. A., L. A. Shumlyanskaya, I. V. Bugaenko, and A. N. Zaets. “Seismotomography of the East European and Barents Pechora Platforms: A Three-Dimensional P-Velocity Model of the Mantle Near the Volga-Uralia, the Caspian Basin and the Barents-Pechora Platform”. Geofizicheskiy Zhurnal 32, no. 5 (October 1, 2010): 35–50. Accessed August 15, 2022. http://journals.uran.ua/geofizicheskiy/article/view/117505.