Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) OKAMOTO Takashi and MATSUURA Sumio and ABE Kazutoki,Observation of vertical displacement in a landslide block during snow season,Journal of the Japan Landslide Society,13483986,The Japan Landslide Society,2015,52,1,21-28,https://cir.nii.ac.jp/crid/1390282680177198848,https://doi.org/10.3313/jls.52.21