DC trains and Pc3s January 1, 2000 Gary D. Egbert
Along strike variations in the electrical structure of the San Andreas Fault at Parkfield, California Sep 15, 2000 Martyn Unsworth
Detection of ultralow-frequency cavity modes using spacecraft data Oct 9, 2002 C.L. Waters
Initial results of ultra low frequency magnetic field observations at Agra and their relation with seismic activities Aug 10, 2004, Vinod Kumar Kushwah
Comparison of simultaneous variations of the ionospheric total electron content and geomagnetic field associated with strong earthquakes Jul 18, 2001, Sh. Naaman