Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 淺井 實,水田床締作業の土壤硬度に及ぼす影響,JOURNAL of the JAPANESE SOCIETY of AGRICULTURAL MACHINERY,0285-2543,The Japanese Society of Agricultural Machinery and Food Engineers,1942,6,2,76-82,https://cir.nii.ac.jp/crid/1390001204319169664,https://doi.org/10.11357/jsam1937.6.76