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
"Mansfield, Edwin","Industrial research and development expenditures : determinants, prospects, and relation to size of firm and inventive output",,Cowles Foundation for Research in Economics at Yale University,1964,Cowles Foundation paper,,,,https://cir.nii.ac.jp/crid/1130000794529451008