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 "Hardy, Daniel C. and Alexander, William E. and International Monetary Fund","Market information and signaling in central bank pperations, or, how often should a central bank intervene?",,International Monetary Fund,1997,IMF working paper,,,,https://cir.nii.ac.jp/crid/1130000795644693248