@article{oai:waseda.repo.nii.ac.jp:00011932,
 author = {Hah, Eitoku and 河, 榮徳},
 journal = {早稲田商学=The Waseda commercial review},
 month = {Jun},
 pages = {63--89},
 title = {業績予想の修正と資本市場の反応},
 volume = {377号},
 year = {1998}
}