著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) TSUCHIYA M.,Studies on the power reduction of rotary type power tillers (Part 1),Journal of JSAM,,,1962,24,4,207-214,https://cir.nii.ac.jp/crid/1571698600051223808,