1. Problems of inner structure and development of Earth. Izv;Beloussov;Acad. Sci. USSR, Ser. Geogr. and Geophys.,1951
2. Geol. Soc. Amer., Spec. Pap.;Benioff,1955
3. On problem of mechanism of deep earthquakes;Kogan;Doklady, Acad. Sci., USSR,1954
4. Dynamic parameters of sources of deep earthquakes;Kogan;Trudy Geophys. Inst. Acad. Sci., USSR,1955a