Author
Hokkaidō Nōgyō Shikenjō (Japan)
3
Hokkaidōritsu Nōgyō Shikenjō
3
Hokkaidō Nōji Shikenjō
2
Hokkaidōritsu Sōgō Kenkyū Kikō. Nōgyō Shikenjo
2
Hokkaid̄o Kaihatsukyoku Doboku Shikenjo (Japan)
2
Hokkaidō Daigaku. Enshūrin
1
Hokkaidō Kaitakubu
1
Hokkaidō Suisan Shikenjō
1
Hokkaidō Teikoku Daigaku. Enshūrin
1
Hokkaidōritsu Kōgyō Shikenjō
1
Hokkaid̄oritsu Ch̄ūo Suisan Shikenj̄o
1
Hokkaid̄oritsu Eisei Kenkȳujo
1
Hokkaid̄oritsu Suisan Fukaj̄o
1
Japan. Nōgyō Kairyōkyoku
1
Nōrinshō Ringyō Shikenjō (Japan). Hokkaidō Shijō
1
Sapporo Kanku Kishōdai
1