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) PFEIFFER F.,Phase retrieval and differential phase-contrast imaging with low-brilliance x-ray sources,Nat. Phys.,,,2006,2,,258-261,https://cir.nii.ac.jp/crid/1573105975905801984,