@inproceedings{weko_165834_1,
   author	 = "白石,雅 and 田中,勝也 and 滝沢,誠",
   title	 = "Membership Management of Group Communication",
   booktitle	 = "第64回全国大会講演論文集",
   year 	 = "2002",
   volume	 = "2002",
   number	 = "1",
   pages	 = "597--598",
   month	 = "mar"
}