@techreport{weko_37483_1,
   author	 = "土肥,浩 and 今宮,淳美",
   title	 = "操作履歴に基づく図形制約充足",
   year 	 = "1994",
   institution	 = "山梨大学電子情報工学科, 山梨大学電子情報工学科",
   number	 = "23(1993-HI-053)",
   month	 = "mar"
}