Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL "Immenga, Ulrich and Commission of the European Communities","Participation by banks in other branches of the economy : an opinion on the economic, competitive and operational advantages and disadvantages of such participation on the basis of the statutory provisions of the Member States of the European Communities",,Commission of the European Communities,1975,Competition : approximation of legislation series,,,,https://cir.nii.ac.jp/crid/1130282272623369600