Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 沼田 真,エコロジーと農業,"Journal of the Agricultural Engineering Society, Japan",03695123,"The Japanese Society of Irrigation, Drainage and Rural Engineering",1973,41,7,437-442,https://cir.nii.ac.jp/crid/1390001205897406336,https://doi.org/10.11408/jjsidre1965.41.7_437