@inproceedings{weko_121169_1,
   author	 = "横川,完治",
   title	 = "改良四分木符号の論理操作について",
   booktitle	 = "全国大会講演論文集",
   year 	 = "1992",
   volume	 = "第44回",
   number	 = "データ処理",
   pages	 = "325--326",
   month	 = "feb"
}