Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) 福原 道一 and 斎藤 元也,Application of remote sensing technology. 3 Soil survey.,"Journal of the Agricultural Engineering Society, Japan",03695123,"The Japanese Society of Irrigation, Drainage and Rural Engineering",1986,54,11,1055-1060,https://cir.nii.ac.jp/crid/1390001205898250624,https://doi.org/10.11408/jjsidre1965.54.11_1055