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) Ming L. Yu,Work-Function Dependence of Negative-Ion Production during Sputtering,Physical Review Letters,0031-9007,American Physical Society (APS),1978-02-27,40,9,574-577,https://cir.nii.ac.jp/crid/1361137044081647488,https://doi.org/10.1103/physrevlett.40.574