1. Agaronian, V.G., Geodakian, E., Danilova, M., and Yunga, S.L., Aftershock Focal Mechanisms of the Spitak Earthquake, Tectonophysics, 1992, vol. 202, no. 2/4, pp. 227–231.
2. Dziewonski, A.M., Chou, T.A., and Woodhouse, J.H., Determination of Earthquake Source Parameters from Waveform Data for Studies of Global and Regional Seismisity, J. Geophys. Res., 1981, vol. 86, pp. 2825–2852.
3. Frohlich, C., Characteristics of Well-Determined Non-Double-Couple Earthquakes in the Harvard CMT Catalog, Phys. Earth Planet. Int., 1995, vol. 91, issue 4, pp. 213–228.
4. Gokhberg, M.B., Garagash, I.A., Nechaev, Yu.V., Rogozhin, E.A., and Yunga, S.L., Geomechanical Model of the China Lake Seismic Cluster in Southern California, in Issledovaniya v oblasti geofiziki (Research in Geophysics), Moscow: OIFZ RAN, 2004, pp. 90–98.
5. Lukk, A.A., Yunga, S.L., and Leonova, V.G., General View of the Nodal Surface during Crustal Earthquakes, in Sbornik Sovetsko-amerikanskikh rabot po prognozu zemletryasenii (Collection of Soviet-American Works on Earthquake Forecasting), Sadovskii, M.A., Ed., Dushanbe: Donish, 1976, vol. 1, book 2, pp. 60–72.