@article{oai:nagoya.repo.nii.ac.jp:00019513,
 author = {SAO, KAZUO},
 journal = {Proceedings of the Research Institute of Atmospherics, Nagoya University},
 month = {Jan},
 pages = {43--46},
 title = {FREQUENCY SPECTRUM OF THE DAYTIME WAVEFORM OF ATMOSPHERICS RADIATED FROM THE RETURN STREAMER OF LIGHTNING FLASH.},
 volume = {3},
 year = {1956}
}