T. A. Tsvetkova, L. A. Shumlyanskaya, I. V. Bugaenko, і 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», GJ, т. 32, вип. 5, с. 35–50, Жов 2010.