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 "Majnoni, Giovanni and Massa, Massimo",Share prices and trading volume : indications of stock exchange efficiency,,Banca d'Italia,1996,Temi di discussione del Servizio studi,,,,https://cir.nii.ac.jp/crid/1130282270250916352