@techreport{weko_51227_1,
   author	 = "田村,淳",
   title	 = "記号の空間的表現について",
   year 	 = "1989",
   institution	 = "日本電気（株）C＆C情報研究所",
   number	 = "91(1989-ICS-067)",
   month	 = "nov"
}