@article{oai:ipsj.ixsq.nii.ac.jp:00003463,
 author = {森下, 哲次 and Morishita, Tetsuji},
 issue = {4},
 journal = {情報処理},
 month = {Apr},
 title = {仮想環境社会の展望 :2. 仮想環境サービスの展望},
 volume = {38},
 year = {1997}
}