@article{oai:nagoya.repo.nii.ac.jp:00020387,
 author = {Iwata, Akira},
 journal = {Proceedings of the Research Institute of Atmospherics, Nagoya University},
 month = {Mar},
 pages = {37--39},
 title = {Section 2. Sources of Atmospherics and Atmospheric Electricity},
 volume = {22},
 year = {1975}
}