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) ,Fabrication and characterization of freestanding circular GaN gratings,Optics Express,,,2010,Vol.18(2),,773-779,https://cir.nii.ac.jp/crid/1010000782095515141,