Shichijūnen tōsō ni sonaete
Subtitle: shokuba tōsō no kyōka to soshiki hatten no tame no jitsumu to hōriron
By: Kokutetsu Rōdō Kumiai Hōritsu Sentā Jimukyoku hen
Publisher: Kokutetsu Rōdō Kumiai Hōritsu Sentā Jimukyoku
Published: 1969
Place of publication: Tōkyō
Language: jpn
Number of pages: 199
Other titles: 70-nen tōsō ni sonaete