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 International Conference on Inter-firm Comparison and European Productivity Agency,"Inter-firm comparison : an incentive to productivity : papers presented at the International Conference on Inter-firm Comparison, Vienna, 17th - 20th September, 1956",,Organization for European Economic Co-operation. European Productivity Agency,1957,Project,,,,https://cir.nii.ac.jp/crid/1130000797037432704