1. Regression and the Moore-Penrose Pseudo-Inverse;Albert,1972
2. The Inverse Kinematic Problem of Explosion Seismology;Alekseev,1979
3. Estimation of the crustal absorption characteristics of the Baltic Shield;Ampilov,1986
4. On the nature and characteristic features of the first arrival waves in seismic exploration on the Baltic Shield;Ankudinov;Zap. Leningr. Gom. Inst.,1974