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) MCLEOD C. R.,"Reflectivity and Vickers Micro-hardness of Ore Minerals, Chart and Tables",Geol. Surv. Canada,,,1968,,,Paper 68-64,https://cir.nii.ac.jp/crid/1573387449780214656,