@article{oai:biwako-seikei.repo.nii.ac.jp:00005685,
 author = {山本, 達三 and Yamamoto, Tatsuzo and 菊池, 秀夫 and Kikuchi, Hideo and 中村, 隆 and Nakamura, Takashi},
 issue = {16},
 journal = {研究紀要 ＝ Bulletin of Biwako Seikei Sport College, Bulletin of Biwako Seikei Sport College},
 month = {Mar},
 pages = {83--86},
 title = {スポーツ観戦率，プロ野球・J リーグ観戦率変化の 年齢・時代・世代効果},
 year = {2019},
 yomi = {ヤマモト, タツゾウ and キクチ, ヒデオ and ナカムラ, タカシ}
}