"Hokkaidō no umi to sakana" ni tsuite no ishiki chōsa
Subtitle: dōsei monitā 500-mei no iken kara
By: [henshū Hokkaidō Suisanbu Gyoseika Kikakugakari]
Publisher: Hokkaidō
Published: 1991
Place of publication: Sapporo-shi
Language: jpn
Number of pages: 101