Nikkeru-kuromu tainetsukō daiyōkō no kenkyū
By: Nishikiori Seiji, Yaginuma Takashi, Asada Chiaki
Series: Shagai kenkyū hōkoku -- dai 69-gō
Publisher: Daidō Seikō Kabushiki Kaisha
Published: 1941
Place of publication: [Nagoya-shi]
Language: jpn
Number of pages: 18
Notes: Cover title.