@article{oai:hokusei.repo.nii.ac.jp:00001255,
 author = {皆木, 健男 and Minaki, Takeo},
 month = {2014-02-20},
 title = {Empirical Relation among Return, Volatility and Liquidity of the JGB Futures : the EGARCH-M Model},
 year = {}
}