1. Perturbation of atmospheric conductivity as a cause of the seismo-ionospheric interaction;Alperovitch;Ann. Geophys.,1997
2. Seismic effects on LF radiowaves;Biagi,1999
3. Possible earthquake precursors revealed by LF radio signals;Biagi;Nat. Hazards Earth Syst. Sci.,2001
4. Disturbances in LF radio-signals as seismic precursors;Biagi;Ann. Geofis.,2001
5. Possible premonitory behaviour of LF radiowaves on the occasion of the Slovenia earthquakes (M= 5.2-6.0-5.1) occurred on March-May 1998;Biagi,2002