1. L. I. Lobkovskii, A. M. Nikishin, and V. E. Khain, Modern Problems of Geotectonics and Geodynamics (Nauchnyi Mir, Moscow, 2004) [in Russian].
2. Yu. M. Pushcharovsky, in Fundamental Problems of General Tectonics (Nauchnyi Mir, Moscow, 2004), pp. 1–15, [in Russian].
3. ftp://seismo.gvon.co.uk/pub/ffb/bulletin .
4. http://neic.usgs.gov/neis/epic .
5. E. V. Sasorova, B. W. Levin, and O. N. Emelyanova, in Earthquake Prediction (Brill, Leiden-Boston, 2006), pp. 1–8.