@article{oai:barrel.repo.nii.ac.jp:00000712,
 author = {Wada, Ryosuke},
 issue = {1},
 journal = {商学討究},
 month = {Jul},
 pages = {109--134},
 title = {Volume and Volatility in Tokyo Foreign Exchange Market and Their Contributing Factors},
 volume = {55},
 year = {2004}
}