Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) GOVINDARAJU K.,Compilation of working values and sample descriptions for 170 international reference samples of mainly silicate rocks and minerals,Geostandards Newsletter,,,1984,8,0,1-86,https://cir.nii.ac.jp/crid/1573668925264528128,