Hokkaido University Collection of Scholarly and Academic Papers >
Graduate School of Agriculture / Faculty of Agriculture >
北海道大学大学院農学研究院邦文紀要 = Memoirs of the Research Faculty of Agriculture, Hokkaido University >
Vol. 16 No. 1 >
土の貫入抵抗とプラウの牽引抵抗に関する研究
Submitter: 端 俊一
|