1. Logarithmic decay and Doppler shift of plasma associated with sprites;Dowden;Journal of Atmospheric and Solar-Terrestrial Physics,1998
2. VLF phase and amplitude;McRae;Journal of Atmospheric and Solar-Terrestrial Physics,2000
3. Ionospheric Effects of Solar Flares;Mitra,1974
4. Morfitt, D.G., Shellman, C.H., 1976. MODESRCH, an improved computer program for obtaining ELF/VLF/LF mode constants in an Earth-ionosphere waveguide. Naval Electronics Laboratory Center Interim Report 77T, NTIS Accession No. ADA032573, National Technical Information Service Springfield, VA, USA.
5. The quantitative relationship between VLF phase deviations and 1–8Å solar X-ray fluxes during solar flares;Muraoka;Journal of Atmospheric and Terrestrial Physics,1977