Infomēshon ritorībaru ni kansuru kenkyū
Subtitle: 5.
Series: Kikai kōgyō kenkyū chōsa hōkokusho -- 41-K4-3
Publisher: Kikai Shinkō Kyōkai Keizai Kenkyūjo
Published: 1967
Place of publication: Tōkyō
Language: jpn
Number of pages: 282
Notes: Keiei kagaku ni kansuru chōsa. Hibaihin.