@techreport{oai:ir.soken.ac.jp:00002678,
 author = {ヨトヴァ, マリヤ イヴァノヴァ and YOTOVA, Mariya Ivanova},
 issue = {2},
 month = {Mar},
 note = {40017033883, application/pdf},
 title = {ヨーグルト食文化にかかわる情報伝達手段の人工物発達学的調査},
 year = {2010}
}