Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) FUJII Kenichi,Redefinition of the Kilogram : Breakaway from the Artifact,Vacuum and Surface Science,24335835,The Japan Society of Vacuum and Surface Science,2020-07-10,63,7,330-335,https://cir.nii.ac.jp/crid/1390285300174354560,https://doi.org/10.1380/vss.63.330