1. The amplitude curves of reflected harmonic waves around the critical point;Červený;Studia Geophys. Geodaet.,1961
2. Use of amplitudes, 1, Pn from 3° to 23°;De Bremaecker;Bull. Seismol. Soc. Am.,1955
3. Velocity section of the upper mantle in the region of the south Kuril Islands;Fedotov;Izv. Akad. Nauk SSSR, Ser. Geofiz.,1963
4. On the velocities of longitudinal waves in the upper mantle in the regions of the Japanese and Kuril Islands;Fedotov;Izv. Akad. Nauk SSSR, Ser. Geofiz.,1964
5. On the layer of relatively low wave velocity at a depth of about 80 kilometers;Gutenberg;Bull. Seismol. Soc. Am.,1948