著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL
"Rodgers, Theodore S. (Theodore Stephen)",Measuring vocabulary difficulty : an analysis of item variables in learning Russian-English and Japanese-English vocabulary pairs,,"Institute for Mathematical Studies in the Social Sciences, Stanford University",1967,Technical report,,,,https://cir.nii.ac.jp/crid/1130282271742590336