@techreport{weko_49657_1,
   author	 = "鐘征 and 中村,貞吾 and 日高達",
   title	 = "Prefix - Closed B - Tree",
   year 	 = "1989",
   institution	 = "九州大学工学部, 九州大学工学部, 九州大学工学部",
   number	 = "54(1989-NL-073)",
   month	 = "jun"
}