1. (1) H. Sugimoto: “Lightning protection against winter lightning”, 28th Int. Conf. Lightning Protection, INV-5, Kanazawa (2006-9)
2. (2) M. Ishii: “Electromagnetic fields associated with lightning discharges in winter”, 28th Int. Conf. Lightning Protection, INV-4 (2006-9)
3. LEMP from Lightning Discharges Observed by JLDN
4. Statistics on fine structure of cloud-to-ground lightning field waveforms
5. (5) M. Miki: “Observation of current and leader development characteristics of winter lightning”, 28th Int. Conf. Lightning Protection, INV-3, Kanazawa (2006-9)