1. Deep seismic sounding in northern Eurasia;Benz;EOS, Trans. Am. Geophys. Union,1992
2. The velocity structure of the Australian shield from seismic travel times;Bowman;Bull. Seismol. Soc. Am.,1993
3. Ray Method in Seismology;Červený,1977
4. The 520 km discontinuity?;Cummins;Bull. Seismol. Soc. Am.,1992
5. Preliminary reference Earth model;Dziewonski;Phys. Earth Planet. Inter.,1981