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 United States. Temporary National Economic Committee and United States. Securities and Exchange Commission. Insurance Section,Study of legal reserve life insurance companies . Statement on life insurance,,W.S. Hein,1968,Investigation of concentration of economic power : monograph,,,,https://cir.nii.ac.jp/crid/1130000793817825792