Herikoputā no unkō anzen ni kansuru kinkyū kenkyū hōkokusho
Subtitle: Heisei 2-nendo kagaku gijutsu shinkō chōseihi
Publisher: Kagaku Gijutsuchō Kenkyū Kaihatsukyoku
Published: 1991
Place of publication: [Tokyo]
Language: jpn
Number of pages: 75