50年の步み
By: 50-nenshi Henshū Senmon Iinkai henshū
Publisher: Nihon Kōgaku Kōgyō
Published: 1967
Place of publication: Tōkyō
Language: jpn
Number of pages: 212
Subjects: History; Nihon Kōgaku Kōgyō Kabushiki Kaisha
Other titles: Gojūnen no ayumi
Notes: Hyōshi no shomei: Nikon 50. Hibaihin.

Nenpyō: p. 193-199.