Title: "Nanasanʾichi Butai" no jintai jikken wa kokusai jōshiki : Muramatsu Takao shōnin "ikensho".
Authors: Kyōkasho Kentei Soshō o Shiensuru Zenkoku Renrakukai.
Publisher: Kyōkasho Kentei Soshō o Shiensuru Zenkoku Renrakukai,
Year: 1993