• Avagimov, A., L. Bogomolov, T. Cheidze, A. Ponomarev, G. Sobolev, N. Tarasov, and V. Zeigamik, Induced seismicity by trigger stimulation from laboratory and field testsFirst International Workshop on Active Monitoring in the Solid Earth GeophysicsTono Geosci. Cent.Mizunami, Japan30 June to 3 July., 2004.
  • Freund, F., Time-resolved study of charge generation and propagation in igneous rocks, J. Geophys. Res., 105, 11,00111,019, 2000.
  • Fujiwara, H., M. Kamogawa, M. Ikeda, J. Y Liu, H. Sakata, Y. I. Chen, H. Ofuruton, S. Muramatsu, Y. J. Chuo, and Y. H. Ohtsuki, Atmospheric anomalies observed during earthquake occurrences, Geophys. Res. Lett., 31LI711010.1029/2004GL019865, 2004.
  • Gufeld, I. L., A. A. Rozhnoi, S. N. Tyumensev, S. V. Sherstuk, and V. S. Yampolsky, Radiowave disturbances in period to Rudber and Rachinsk earthquakes, Phys. Solid Earth, 28, 267270, 1992.
  • Kushida, Y., and R. Kushida, Possibility of earthquake forecast by radio observations in the VHF band, J. Atmos. Electricity, 22, 239255, 2002.
  • Liu, J. Y., Y. I. Chen, S. A. Pulinets, Y. B. Tsai, and Y. J. Chuo, Seismo-ionospheric signatures prior to M ≥ 6.0 Taiwan earthquakes, Geophys. Res. Lett., 27, 31133116, 2000.
  • Liu, J. Y., Y. I. Chen, Y. J. Chuo, and H. F. Tsai, Variations of ionospheric total electron content during the Chi-Chi earthquake, Geophys. Res. Lett., 28, 13831386, 2001.
  • Liu, J. Y., Y. I. Chen, Y. J. Chuo, and C. S. Chen, A statistical investigation of preearthquake ionospheric anomaly, J. Geophys. Res., 111A0530410.1029/2005JA011333, 2006.
  • Molchanov, O. A., and M. Hayakawa, Subionospheric VLF signal perturbations possibly related to earthquakes, J. Geophys. Res., 103, 17,48917,504, 1998.
  • Shvets, A. V, M. Hayakawa, O. A. Molchanov, and Y. Ando, A study of ionospheric response to regional seismic activity by VLF radio sounding, Phys. Chem. Earth, 29, 627637, 2004.
  • Sobolev, G., and N. Zakrzhevskaya, Magnetic storm influence on seismicity in different regions, Geophysical Research Abstracts, 500135, 2003.