@techreport{oai:tsukuba.repo.nii.ac.jp:00022854,
 author = {HANAKI, Nobuyuki and ISHIKAWA, Ryuichiro and 秋山, 英三 and AKIYAMA, Eizo},
 month = {Dec},
 title = {Learning Games},
 year = {2007},
 yomi = {アキヤマ, エイゾウ}
}