Ayumi
Subtitle: 70-shūnen kinenshi = 70th anniversary
By: [henshū Kensetsushō Doboku Kenkyūjo 70-shūnen Kinen Jigyō Jikkō Iinkai Kinenshi Henshūhan]
Publisher: Kensetsushō Doboku Kenkyūjo
Published: 1992
Place of publication: Ibaraki-ken Tsukuba-shi
Language: jpn
Number of pages: 146