Hokkaidō nōgyō gijutsu kenkyūshi
Subtitle: 1966 - 1980
By: Hokkaidō Nōgyō Shikenjō, Hokkai Dōritsu Nōgyō Shikenjō hen.
Publisher: Hokkaidō Nōgyō Shiken Kenkyū Kikan Sōritsu 80-shūnen Kinen Gyōji Kyōsankai
Published: 1982
Place of publication: Sapporo
Language: jpn
Number of pages: 842