@article{oai:nagoya.repo.nii.ac.jp:00020341, author = {TAKAGI, Masumi}, journal = {Proceedings of the Research Institute of Atmospherics, Nagoya University}, month = {Mar}, pages = {87--89}, title = {ACTIVITY REPORT : Section 2. Sources of Atmospherics and Atmospheric Electricity}, volume = {27}, year = {1980} }