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) HIGHTOWER Jeffrey,SpotOn : An Indoor 3D Location Sensing Technology Based on RF Signal Strength,UW CSE 2000-02-02,,,2000,,,,https://cir.nii.ac.jp/crid/1571980075166356864,