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) Takehiko Yasuda and Hiroshi Toki,Many Body Pion Absorption Processes in the Delta Resonance Region,Progress of theoretical physics = 理論物理学の進歩,0033068X,Kyoto : Publication Office,1987-04,77,4,p905-916,https://cir.nii.ac.jp/crid/1520573330663531392,