@techreport{oai:tsukuba.repo.nii.ac.jp:00020542,
 author = {山本, 幹雄 and YAMAMOTO, Mikio and 貞光, 九月 and Sadamitsu, Kugatsu},
 month = {May},
 title = {Dirichlet mixtures in text modeling},
 year = {2005},
 yomi = {ヤマモト, ミキオ and サダミツ, クガツ}
}