@techreport{weko_44110_1,
   author	 = "石垣昭一郎",
   title	 = "モバイルマルチメディアサービスの動向",
   year 	 = "2000",
   institution	 = "NTT DoCoMo",
   number	 = "14(1999-MBL-012)",
   month	 = "feb"
}