1. Bailey, J., Willett, J.C., Krider, E.P., Leteinturier, C., 1988. Sub microsecond structures of the radiation fields from multiple events in lightning flashes. Proceedings of the International Conference on Atmospheric Electricity, pp. 458–463.
2. Electric fields preceding cloud-to-ground flashes;Beasley;Journal of Geophysical Research,1982
3. Simultaneous pulses in light and electric field from stepped leaders near ground level;Beasley;Journal of Geophysical Research,1983
4. Electric field pulses in close lightning cloud flashes;Bils;Journal of Geophysical Research,1988
5. Preliminary discharge processes in lightning flashes to ground;Clarence;Quarterly Journal of the Royal Meteorological Society,1957