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 "Frisch, Ragnar",Correlation and scatter in statistical variables,,"University i Oslo, Socialøkonomisk institutt",1951,"Memorandum fra Sosialøkonomisk institutt, Universitetet i Oslo",,,,https://cir.nii.ac.jp/crid/1130000794182378368