1. Seismic tomography;Anderson;In the world of science,1984
2. 1. Bullen, K. E. (1978). Earth's Density Moscow: Mir. (in Russian).
3. 2. Chernyaga, P. G., & Fys, M. M. (2012). A new approach to the use of Stokes constants for the construction of functions and its derivatives of mass distribution of planets. Collection of scientific works of Western geodesic society UTGK "Modern achievements in geodetic science and production". II (24), 40–43. (in Ukrainian).
4. Preliminary reference Earth model;Dzewonski;Physics of the earth and planetary interiors,1981
5. Method for planets density distribution construction with using ot Stoke's constants to fourth order. Lviv.;Fys;Geodynamics,2008