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) SULAIMAN Muhammad and FUJITA Masaharu and TSUTSUMI Daizo,Bed variation model considering porosity change in riverbed material,砂防学会誌,02868385,Japan Society of Erosion Control Engineering,2007,60,1,11-18,https://cir.nii.ac.jp/crid/1390001204068341632,https://doi.org/10.11475/sabo1973.60.11