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) Paul Denholm and Maureen Hand,Grid flexibility and storage required to achieve very high penetration of variable renewable electricity,Energy Policy,0301-4215,Elsevier BV,2011-03,39,3,1817-1830,https://cir.nii.ac.jp/crid/1361699994967801088,https://doi.org/10.1016/j.enpol.2011.01.019