1. S. A. Ankudinov, Kh. S. Brio, and A. S. Sadov, “Deep Structure of the Crust in the Territory of Baltic Republics from DSS Data of Seismic Prospecting Works,” in Belorusskii Seismol. Bull. (Minsk, 1987), pp. 111–117 [in Russian].
2. G. D. Bensen, M. H. Ritzwoller, P. Barmin, et al., “Processing Seismic Ambient Noise Data to Obtain Reliable Broad-Band Surface Wave Dispersion Measurements,” Geophys. J. Int. 169, 1239–1260 (2007).
3. M. Bruneton, H. A. Pedersen, V. Farra, and the SSTW Group, “Complex Lithospheric Structure under the Central Baltic Shield from Surface Wave Tomography,” J. Geophys. Res. 109, B10303 (2003), doi: 10.1029/2003JB00294, pp. 1–15.
4. P. G. Ditmar and T. B. Yanovskaya, “Generalization of the Backus-Gilbert Approach for Evaluation of Horizontal Variations in the Velocity of Surface Waves,” Izv. AN SSSR, Ser. Fizika Zemli, No. 6, 30–40 (1987).
5. Yu. G. Farafonova, J. Ph. Pantsa, T. B. Yanovskaya, and C. Dologni, “Structure of the Upper Mantle in the Alpine Zonefrom Data of Surface-Wave Tomography,” Dokl. Akad. Nauk 416(3), 388–391 (2007).