著者名,論文名,雑誌名,ISSN,出版者名,出版日付,巻,号,ページ,URL,URL(DOI) Thomas Dean and Keiji Kanazawa,A model for reasoning about persistence and causation,Computational Intelligence,0824-7935,Wiley,1989-02,5,2,142-150,https://cir.nii.ac.jp/crid/1363107371005256576,https://doi.org/10.1111/j.1467-8640.1989.tb00324.x