Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) SABATINI A. M.,Quaternion-Based Extended Kalman Filter for Determining Orientation by Inertial and Magnetic Sensing,IEEE Trans. A.M.Biomedical Engineering,,,2006,53,7,1346-1356,https://cir.nii.ac.jp/crid/1574231876198601856,