@techreport{weko_50060_1,
   author	 = "岡田直之",
   title	 = "自然語による図形解釈および記述システム",
   year 	 = "1976",
   institution	 = "大分大学",
   number	 = "21(1976-NL-007)",
   month	 = "sep"
}