@techreport{weko_184607_1,
   author	 = "山條,朋子",
   title	 = "5G時代の周波数政策：欧米の事例",
   year 	 = "2017",
   institution	 = "(株)KDDI総合研究所",
   number	 = "18",
   month	 = "nov"
}