Denden Kōsha wa fumetsu ka
Subtitle: denki tsūshin kakumei to rōdōshatachi
By: Kawamura Shōjirō cho.
Edition: Shohan.
Publisher: Konpyūta Ējisha
Published: 1982
Place of publication: Tōkyō
Language: jpn
Number of pages: 226
Subjects: Nihon Denshin Denwa Kōsha.