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) LIU J.,A review study on digital watermarking,"First International Conference on Information and Communication Technologies, 2005",,,2005,,,337-341,https://cir.nii.ac.jp/crid/1573668924107950720,