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) ,Two-Stage Feedforward Tracking Control System with Error-Based Disturbance Observer for Optical Discs,OPTICAL REVIEW,,,2014,21,,578-584,https://cir.nii.ac.jp/crid/1010000782150405506,