Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Kawashima R.,On Remote Monitoring of Ship's Motions-II,The Journal of the Nautical Society of Japan,04666607,Japan Institute of Navigation,1962,27,0,11-17,https://cir.nii.ac.jp/crid/1390001206095772800,https://doi.org/10.9749/jina.27.0_11