1. Observation of earth–ionosphere cavity resonances;Balser;Nature,1960
2. Schumann resonances observed using Poynting vector spectra;Belyaev;Journal of Atmospheric and Solar-Terrestrial Physics,1999
3. Bliokh, P.V., Nickolaenko, A.P., Filippov, Yu.F., 1980. Schumann resonances in the Earth–ionosphere cavity. In: D.L. Jones (Ed.), IEE Electromagnetic Waves Series 8. Peter Perigrinus Ltd., Stevenage.
4. Global radiolocation in the lower ELF frequency band;Burke;Journal of Geophysical Researches,1995
5. On the polarity and continuing currents in unusually large lightning flashes deduced from ELF events;Burke;Journal of Atmospheric and Terrestrial Physics,1996