"Iyaku bungyō" ni tsuite no ishiki chōsa
Subtitle: dōsei monitā 500-mei no iken kara
By: [henshū Hokkaidō Hoken Kankyōbu Yakumuka, Hokkaidō Sōmubu Kōchōka]
Publisher: Hokkaidō
Published: 1992
Place of publication: Sapporo-shi
Language: jpn
Number of pages: 50