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) Allan C. Eberhart and William F. Maxwell and Akhtar R. Siddique,An Examination of Long‐Term Abnormal Stock Returns and Operating Performance Following R&D Increases,The Journal of Finance,0022-1082,Wiley,2004-03-25,59,2,623-650,https://cir.nii.ac.jp/crid/1361699993740475776,https://doi.org/10.1111/j.1540-6261.2004.00644.x