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) Masahiro Hoshino and Toshio Terasawa,Numerical study of the upstream wave excitation mechanism: 1. Nonlinear phase bunching of beam ions,Journal of Geophysical Research: Space Physics,0148-0227,American Geophysical Union (AGU),1985-01,90,A1,57-64,https://cir.nii.ac.jp/crid/1362825896284870656,https://doi.org/10.1029/ja090ia01p00057