@techreport{oai:repository.dl.itc.u-tokyo.ac.jp:00042115,
 author = {Chang, Chia-Lin and McAleer, Michael and Roengchai, Tansuchat},
 month = {Aug},
 note = {application/pdf, 本文フィルはリンク先を参照のこと},
 title = {Modelling Conditional Correlations for Risk Diversification in Crude Oil Markets},
 year = {2009}
}