Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OGAWA Tatsunori and SASAKI Hisashi and NOWA Yukinori and AOYAMA Hiroshi,Possibility of sediment movement monitoring by continuous observation of noncontact sensor,Journal of the Japan Society of Erosion Control Engineering,02868385,Japan Society of Erosion Control Engineering,2009,61,6,27-30,https://cir.nii.ac.jp/crid/1390282680455802752,https://doi.org/10.11475/sabo.61.6_27