@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042394,
 author = {Ito, Takatoshi and Hashimoto, Yuko},
 month = {Mar},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Intra-day Seasonality in Activities of the Foreign Exchange Markets : Evidence from the Electronic Broking System},
 year = {2006}
}