@techreport{weko_66562_1,
   author	 = "竹下,敦 and 太田,賢",
   title	 = "NTTドコモの研究開発",
   year 	 = "2009",
   institution	 = "NTTドコモ移動機開発部, NTTドコモ先進技術研究所",
   number	 = "8",
   month	 = "oct"
}