P. Y. Kuprienko, I. B. Makarenko, V. I. Starostenko, O. V. Legostaeva, and A. Savchenko, “Three-dimensional density model of the earth’s crust and upper mantle of the Dnieper-Donets Basin and Donbass”, GJ, vol. 32, no. 6, pp. 175–214, Dec. 2010.