Jūyō dētabēsu kaihatsu keikaku chōsa hōkokusho
Subtitle: gairon : Heisei 2-nendo Tsūshō Sangyōshō itaku chōsa
Publisher: Dēta Bāsu Shinkō Sentā
Published: 1991
Place of publication: Tōkyō
Language: jpn
Number of pages: 84