Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) NAGAOKA H.,Note on a Theory of Thunderstorms,Proceedings of the Tokyo Mathematico-Physical Society. 2nd Series,,"THE PHYSICAL SOCIETY OF JAPAN , The Mathematical Society of Japan",1914,7,13,228-231,https://cir.nii.ac.jp/crid/1570854177998766720,