Denki kokōroyō taika renga no kōon ni okeru fukusha keisū ni tsuite
By: Hayashi Tatsuo, Shimizu Teikichi
Series: Shagai kenkyū hōkoku -- dai 70-gō
Publisher: Daidō Seikō Kabushiki Kaisha
Published: 1941
Place of publication: [Nagoya-shi]
Language: jpn
Notes: Cover title.