1. Field and laboratory tests on rock mechanics;Alexander,1960
2. Solid earth tide and observed change in the in situ seismic velocity;De Fazio;J. Geophys. Res.,1973
3. Investigation of a method for determining stress accumulation at depth;Eisler;Bull. Seismol. Soc. Am.,1967
4. Investigation of a method for determining stress accumulation at depth II;Eisler;Bull. Seismol. Soc. Am.,1969
5. Investigation of earthquake prediction in Kamchatka;Fedotov;Tectonophysics,1970