@article{oai:tais.repo.nii.ac.jp:00002028,
 author = {今村, 成夫},
 issue = {107},
 journal = {大正大學研究紀要},
 month = {Mar},
 pages = {103--118},
 title = {新書本の主題範囲（3）年間の傾向について},
 year = {2022}
}