@techreport{weko_198739_1,
   author	 = "高木,啓伸",
   title	 = "屋内ナビゲーション技術の課題と未来",
   year 	 = "2019",
   institution	 = "(株)日本アイ・ビー・エム東京基礎研究所",
   number	 = "7",
   month	 = "aug"
}